radioactive metallic element 2 letters

White crystalline metal with a pink tinge, belongs to group 15. There are eight known radioisotopes, the most stable being Lr-262 with a half-life of 3.6 hours. curium. It was. "@type": "ImageObject", }, 69 5d2. 2s 2p. 72. So far, seven isotopes have been discovered. 56. "contentUrl": "https://slideplayer.com/slide/5744876/19/images/82/44+Ru.+Ruthenium.+Ruthenium.+N..jpg", Pa. 91. 95. Ga. 31. 21. 21. Cs 55 Ba 56 La 57 Hf 72 Ta 72 W 74 Re 75 Os 76 Ir 77 Pt 78 Au 79 Hg 80 Tl 81 Pb 82 Bi 83 Po 84 At 85 Rn 86 Davis, Metcalfe, Williams, Castka, Modern Chemistry, 1999, page 748 "width": "800" "@context": "http://schema.org", Yb. 90. { 68. "@type": "ImageObject", Electron Configuration35 Br Bromine Bromine N RTC, wikipedia.org Name: Bromine Symbol: Br Atomic Number: 35 Atomic Mass: amu Melting Point: -7.2 C ( K, F) Boiling Point: C ( K, F) What is Bromine? Lowest boiling point of all elements and can only be solidified under pressure. { "contentUrl": "https://slideplayer.com/slide/5744876/19/images/114/76+Os.+Osmium.+Osmium..jpg", 8. It oxidizes in moist air and at high temperatures. Ba. "@type": "ImageObject", What is Nickel Malleable ductile silvery metallic transition element. 4d10. }, 65 Bi. Table. It was produced by bombarding californium with boron ions. Radioactive transition metal. Erbium. 5d7. 5d. Fr. Lu. "width": "800" Very hard and brittle, silvery metallic transition element. Scientists predict there may be islands of stability in the periodic table, where superheavy transuranium elements may be more stable (although still radioactive) than some lighter elements.This list is sorted by increasing atomic number. Ac-228 (half-life of 6.13 hours) also occurs in nature. "width": "800" }, 150 Wollaston. ", Molybdenum is used in almost all high-strength steels, it has nuclear applications, and is a catalyst in petroleum refining. "@type": "ImageObject", 4p2. Bi. Metalloid element, belongs to group 16 of the periodic table. }, 15 "contentUrl": "https://slideplayer.com/slide/5744876/19/images/102/64+Gd.+Gadolinium.+Gadolinium.+N..jpg", Cobalt-60, an artificially produced radioactive isotope of Cobalt is an important radioactive tracer and cancer-treatment agent. Electron Configuration19 K Potassium Potassium N Name: Potassium Symbol: K Atomic Number: 19 Atomic Mass: amu Melting Point: C (336.8 K, F) Boiling Point: C ( K, F) Link What is Potassium? 4p2. One natural isotope, Ho-165 exists, six radioisotopes exist, the most stable being Ho-163 with a half-life of 4570 years. Dschwen, wikipedia.org. 3) effect of increased radius. Used in metal alloys, and as a catalyst in various processes. "width": "800" The elements in group II A are not as metallic as the alkali metals. 8. { }, 95 Pt. 4. Just like you, we enjoy playing CodyCross game. 90. ", Insoluble in water. Dysprosium belongs to the lanthanoids. The name comes from the latin word caesius, which means sky blue. Bk. Dissolves in fused alkalis, and is not attacked by acids. It also makes up 20.8% of the Earth's atmosphere. Discovered in 1863 by Reich and Richter. Mystic words is a free which is available for both Android and iOS devices. It possesses unusual magnetic properties. 3d. Most diamagnetic of all metals and has the lowest thermal conductivity of all the elements except mercury. "@type": "ImageObject", "@type": "ImageObject", 45. It is very malleable, and can be cut with a knife. Titanium. ", 4d. "contentUrl": "https://slideplayer.com/slide/5744876/19/images/76/38+Sr.+Strontium.+Strontium.+N..jpg", Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lawrencium Lead Lithium Lutetium Magnesium Manganese Meitnerium Mendelevium Mercury Molybdenum Neodymium Neon. "@type": "ImageObject", There is only one stable isotope of gold, and five radioisotopes of gold, Au-195 being the most stable with a half-life of 186 days. Ne. 88. "@type": "ImageObject", Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. "@context": "http://schema.org", Am. Ta. ", Ba. Sn. Al B. Cd. It is the most abundant element present in the earth s crust. Ionization Energies Period H He Mg Li Be B C N O F Ne Na Mg Al Si P SGroup 1 18 H 1312 Symbol First Ionization Energy (kJ/mol) He 2372 1 1 Mg 738 2 13 14 15 16 17 Li 520 Be 900 B 801 C 1086 N 1402 O 1314 F 1681 Ne 2081 2 2 Na 496 Mg 738 Al 578 Si 787 P 1012 S 1000 Cl 1251 Ar 1521 3 3 3 4 5 6 7 8 9 10 11 12 Period K 419 Ca 590 Sc 633 Ti 659 V 651 Cr 653 Mn 717 Fe 762 Co 760 Ni 737 Cu 746 Zn 906 Ga 579 Ge 762 As 947 Se 941 Br 1140 Kr 1351 4 4 Rb 403 Sr 550 Y 600 Zr 640 Nb 652 Mo 684 Tc 702 Ru 710 Rh 720 Pd 804 Ag 731 Cd 868 In 558 Sn 709 Sb 834 Te 869 I 1008 Xe 1170 5 5 Cs 376 Ba 503 La 538 * Hf 659 Ta 761 W 770 Re 760 Os 839 Ir 878 Pt 868 Au 890 Hg 1007 Tl 589 Pb 716 Bi 703 Po 812 At -- Rn 1038 6 6 Linus Pauling ( ) awarded Nobel Prize in chemistry in 1954 for his 1939 text, The Nature of the Chemical Bond, and also won the Nobel Peace Prize in 1962 for his fight to control nuclear weapons. radioactive metallic element used in nuclear reactors and Electron Configuration5 B Boron Boron N Name: Boron Symbol: B Atomic Number: 5 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F) What is Boron? "name": "Einsteinium (Es) Albert Einstein Relativity E = mc2", "@context": "http://schema.org", Ag. 2s1. Cadmium. 89. Nobelium (No) Element 102 Inventor: dynamite (TNT) blasting gelatinNobel Prize Alfred Bernhard Nobel ( ) was born in Stockholm, Sweden on October 31, When he was 9 years old, his family moved to St. Petersburg. Lawrencium is a synthetic rare-earth metal. ", Tb-159 is the only stable isotope, there are seventeen artificial isotopes. Rn * Fr. They form oxides easily and are known as alkali earth metals. 3d. 3d. "name": "72 Hf. Be. Al. O. "@type": "ImageObject", Thorium-232 captures slow neutrons and breeds uranium-233. Cu. Os. "contentUrl": "https://slideplayer.com/slide/5744876/19/images/165/Energy+Level+Diagram+of+a+Many-Electron+Atom.jpg", "description": "s. s. p d. 3. Radioactive metallic element crossword puzzle clue has 3 possible answers and appears in 13 publications. V. 3d3. Pu-239 is the most important, it undergoes nuclear fission with slow neutrons and is hence important to nuclear weapons and reactors. Can be used as a nuclear fuel for breeder reactors. nonmetallic character increases. Name: Chlorine Symbol: Cl Atomic Number: 17 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F). 5A. "width": "800" ", "name": "42 Mo. 36. Discovered by Karl Scheele in Humphrey David confirmed it as an element in 1810. Rn * * Fr. 83. Zr. 39. Cs = [Xe]6s1 "@type": "ImageObject", Used in metal alloys, and as a catalyst in various processes. It was discovered by Paul Emile Lecoq de Boisbaudran in 1886 in France. ", Sb. It was discovered by Paul Emile Lecoq de Boisbaudran in 1886 in France. Ra. Tb. Electron Configuration Sc = 1s22s22p63s23p6 4s23d1 radioactive. Eu. Soft silvery-white metallic element belonging to group 1 of the periodic table. IB. "name": "83 Bi. In addition, irradiation of surrounding structures and the nuclear fuel produces isotopes called activation products. It commonly comes in the form of Oxygen, but is found as Ozone in the upper atmosphere. "name": "95 Am. It has three allotropic forms of it, diamonds, graphite and fullerite. Po. "@type": "ImageObject", Kr. "@context": "http://schema.org", Zn. "name": "109 Mt. So far, seven isotopes have been discovered. There are many alloys of aluminum, as well as a good number of industrial uses. 49. Highly reactive but protected by a thin transparent layer of the oxide which quickly forms in air. "name": "75 Re. Rn. Organic technetium compounds are used in bone imaging. Radioactive element, belongs to group 1 of the periodic table. "width": "800" Platinum metal is generally not a health concern due to its unreactivity, however platinum compounds should be considered highly toxic. { 20. Harmful to human tissue in a liquid state, the vapor irritates eyes and throat. { Am-243 is the most stable isotope, with a half-life of 7.95x103 years. }, 12 Er. Very hard and brittle, silvery metallic transition element. "name": "40 Zr. Soft white ductile transition element. Cadmium. Discovered in 1797 by Vauquelin. ", Has a multiple allotropic forms. White metallic transition element. de Hevesy in 1923. N. Name: Cobalt Symbol: Co Atomic Number: 27 Atomic Mass: amu Melting Point: \u00b0C ( \u00b0K, \u00b0F) Boiling Point: \u00b0C ( \u00b0K, \u00b0F) What is Cobalt Light grey transition element. 6d3. "description": "Name: Rhenium Symbol: Re Atomic Number: 75 Atomic Mass: amu Melting Point: \u00b0C ( \u00b0K, \u00b0F) Boiling Point: \u00b0C ( \u00b0K, \u00b0F) What is Rhenium Silvery-white metallic transition element. "width": "800" Neodymium. Discovered in 1778 by Carl Welhelm Scheele of Sweden. N. Name: Argon Symbol: Ar Atomic Number: 18 Atomic Mass: amu Melting Point: \u00b0C (83.85 \u00b0K, \u00b0F) Boiling Point: \u00b0C (87.15 \u00b0K, \u00b0F) pslawinski, wikipedia.org. Tc. "@context": "http://schema.org", Barium. As. All those who handle these materials are at a greater risk of man-made radioactive pollution. Six artificial radioisotopes have been produced. Hf. Name: Tantalum Symbol: Ta Atomic Number: 73 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F). Fe. First isolated by Jose and Fausto de Elhuyer in 1783. "@type": "ImageObject", First made by Perrier and Segre by bombarding molybdenum with deutrons, giving them Tc-97. ", Electron Configuration36 Kr Krypton Krypton N Name: Krypton Symbol: Kr Atomic Number: 36 Atomic Mass: 83.8 amu Melting Point: C ( K, F) Boiling Point: C ( K, F) What is Krypton? Klaproth in Ce = [Xe] 6s24f15d1. }, 118 Am-243 is the most stable isotope, with a half-life of 7.95x103 years. Cr. They are awarded every year in physics, chemistry, psychology or medicine, literature and peace. Rh. 72. Discovered by Sir William Crookes via spectroscopy. 53. "contentUrl": "https://slideplayer.com/slide/5744876/19/images/106/68+Er.+Erbium.+Erbium..jpg", Silvery-grey metallic element of group 3 on the periodic table. Least abundant of all natural elements. Ga. 31. Wikipedia Elements listed AlphabeticallyPrintable Periodic Table Elements listed Alphabetically Actinium Aluminum Americium Antimony Argon Arsenic Astatine Barium Berkelium Beryllium Bismuth Bohrium Boron Bromine Cadmium Cesium Calcium Californium Carbon Cerium Chlorine Chromium Cobalt Copper Curium Darmstadtium Dysprosium Dubnium Einsteinium Erbium Europium Fermium Fluorine Francium Gadolinium Gallium Germanium Gold Hafnium Hassium Helium Holmium Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lawrencium Lead Lithium Lutetium Magnesium Manganese Meitnerium Mendelevium Mercury Molybdenum Neodymium Neon Neptunium Nickel Niobium Nitrogen Nobelium Osmium Oxygen Palladium Phosphorus Platinum Plutonium Polonium Potassium Praseodymium Promethium Protactinium Radium Radon Rhenium Rhodium Roentgenium Rubidium Rutherfordium Ruthenium Samarium Scandium Seaborgium Selenium Silicon Silver Sodium Strontium Sulfur Tantalum Technetium Tellurium Terbium Thallium Thorium Thulium Tin Titanium Tungsten Unnilhexium Unniloctium Unnilpentium Unnilquadium Unnilseptium Uranium Vanadium Xenon Ytterbium Yttrium Zinc Zirconium The name comes from the Greek word iris, which means rainbow. 106 Sg Seaborgium Seaborgium Name: Seaborgium Symbol: Sg Atomic Number: 106 Atomic Mass: (263.0) amu Melting Point: Unknown Boiling Point: Unknown Link What is Seaborgium (Unnilhexium)? "name": "80 Hg. It belongs to the lanthanoids. 4s1. Occurs widely in nature as sodium chloride in seawater. Formed by the radioactive decay of Radium-226. Silvery metallic element belonging to group 2 of the periodic table (alkaline-earth metals). "contentUrl": "https://slideplayer.com/slide/5744876/19/images/123/85+At.+Astatine.+Astatine..jpg", "@type": "ImageObject", Salts of iridium are highly colored. 25. "@context": "http://schema.org", Used in nuclear reactors for a neutron absorber. Tc-99 is the most stable isotope with a half-life of 2.6x106 years. Of the twenty known isotopes, the most stable is Rn-222 with a half-life of 3.8 days. Ru = [Kr]5s14d7. There are two naturally occurring isotopes of vanadium, and 5 radioisotopes, V-49 having the longest half-life at 337 days. 85. "name": "66 Dy. 83. W. 74. It is plotted in three dimensions, with the three axes representing the principal quantam number, n the orbital quantam number, l and the orbital magnetic quantam number, ml. Ge. V. 23. It is plotted in three dimensions, with the three axes representing the principal quantum number, n the orbital quantum number, l and the orbital magnetic quantum number, ml. Neon Neptunium Nickel Niobium Nitrogen Nobelium Osmium Oxygen Palladium Phosphorus Platinum Plutonium Polonium Potassium Praseodymium Promethium Protactinium Radium Radon Rhenium. 33. Au-198 is used in treating cancer and some other medical conditions. Ge. husband Pierre. B. The most stable isotope, Ac-227, has a half-life of 217 years. 88. "name": "Periodic Table s s H He H p Li Be B C N O F Ne Na Mg d Al Si P S Cl Ar", }, 23 A luminous metallic element, such as actinium, radium, or uranium, that spontaneously and continuously emits radiation capable in some degree of penetrating matter impervious to ordinary light. Cr. Known by the Romans as cuprum. 26. Some of the radioisotopes are even more toxic. Name: Fluorine Symbol: F Atomic Number: 9 Atomic Mass: amu Melting Point: C (53.53 K, F) Boiling Point: C (85.01 K, F). "@type": "ImageObject", "name": "Electron Configuration", What is Californium Radioactive metallic transuranic element. Rh. Only living person to have an element named for them. 1s. "contentUrl": "https://slideplayer.com/slide/5744876/19/images/98/60+Nd.+Neodymium.+Neodymium.+N..jpg", Groups of Elements H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca1 He 2 1 1 IA IIA IIIB IVB VB VIB VIIB VIIIB IB IIB IIIA IVA VA VIA VIIA VIIIA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Li 3 Be 4 B 5 C 6 N 7 O 8 F 9 Ne 10 2 2 Alkali metals Halogens Alkaline earth metals Other non-metals Transition metals Lanthanides Na 11 Mg 12 Al 13 Si 14 P 15 S 16 Cl 17 Ar 18 3 3 Other metals Actinides Noble gases K 19 Ca 20 Sc 21 Ti 22 V 23 Cr 24 Mn 25 Fe 26 Co 27 Ni 28 Cu 29 Zn 30 Ga 31 Ge 32 As 33 Se 34 Br 35 Kr 36 4 4 Rb 37 Sr 38 Y 39 Zr 40 Nb 41 Mo 42 Tc 43 Ru 44 Rh 45 Pd 46 Ag 47 Cd 48 In 49 Sn 50 Sb 51 Te 52 I 53 Xe 54 5 5 Cs 55 Ba 56 Hf 72 Ta 73 W 74 Re 75 Os 76 Ir 77 Pt 78 Au 79 Hg 80 Tl 81 Pb 82 Bi 83 Po 84 At 85 Rn 86 6 6 * * Fr 87 Ra 88 Rf 104 Db 105 Sg 106 Bh 107 Hs 108 Mt 109 7 7 W W La 57 Ce 58 Pr 59 Nd 60 Pm 61 Sm 62 Eu 63 Gd 64 Tb 65 Dy 66 Ho 67 Er 68 Tm 69 Yb 70 Lu 71 * Ac 89 Th 90 Pa 91 U 92 Np 93 Pu 94 Am 95 Cm 96 Bk 97 Cf 98 Es 99 Fm 100 Md 101 No 102 Lr 103 W Ra. SOURCES OF RADON Radon, the heaviest noble gas, was first observed as the gas produced by the radioactive element radium when it decayed. "width": "800" It oxidizes readily about 933K. 6d. N. Name: Nitrogen Symbol: N Atomic Number: 7 Atomic Mass: amu Melting Point: \u00b0C ( \u00b0K, \u00b0F) Boiling Point: \u00b0C (77.35 \u00b0K, \u00b0F) Link. Periodic Table of the ElementsWritten by: Bill Byles - Modified by Jeff Christopherson - Has nine isotopes and is the fourth most abundant element in the earth's crust. 77. 52. Nb. 25. ", "@type": "ImageObject", Electron Configuration F = 1s22s22p5 "width": "800" > 18.0 g\/cm3. Be. Hf. Minerals fall into two categories \u2013 the major minerals and the trace minerals, or trace elements, as they are sometimes called. "@context": "http://schema.org", Electron Configuration30 Zn Zinc Zinc N Name: Zinc Symbol: Zn Atomic Number: 30 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F) What is Zinc? Curium Uranium. Name: Tungsten Symbol: W Atomic Number: 74 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F). "@context": "http://schema.org", Marignac in 1878. von Welsbach. 4s23d7. }, 75 Lord Rayleigh and Sir William Ramsey identified argon in Electron Configuration. First produced by Gleen T. Seaborg, Edwin M. McMillan, J.W. ", N. Name: Oxygen Symbol: O Atomic Number: 8 Atomic Mass: amu Melting Point: \u00b0C (54.75 \u00b0K, \u00b0F) Boiling Point: \u00b0C (90.15 \u00b0K, \u00b0F) What is Oxygen A colorless, odorless gaseous element belonging to group 16 of the periodic table. 46. Name: Terbium Symbol: Tb Atomic Number: 65 Atomic Mass: amu Melting Point: C ( K, F) Boiling Point: C ( K, F). 44. 59. 50. 88. Ir. "description": "Group Be2+ Na+ K+ Rb+ Cs+ Ba2+ H+ Li+ Ca2+ Sr2+ Mg2+ N. O B. L. E. G. A. There are seven natural isotopes, and four radioisotopes, Mo-93 being the most stable with a half-life of 3500 years. Name: Seaborgium Symbol: Sg Atomic Number: 106 Atomic Mass: (263.0) amu Melting Point: Unknown Boiling Point: Unknown. What is Vanadium? { nonmetallic character increases. Ar = 1s22s22p63s23p6. 36. Ca. "@type": "ImageObject", Only natural isotope is Pr-141 which is not radioactive. "@context": "http://schema.org", Mn. Essential Elements Elements in organic matter H He Major minerals Li1 He 2 Major minerals Li 3 Be 4 B 5 C 6 N 7 O 8 F 9 Ne 10 Trace elements Na 11 Mg 12 Al 13 Si 14 P 15 S 16 Cl 17 Ar 18 K 19 Ca 20 Sc 21 Ti 22 V 23 Cr 24 Mn 25 Fe 26 Co 27 Ni 28 Cu 29 Zn 30 Ga 31 Ge 32 As 33 Se 34 Br 35 Kr 36 Rb 37 Sr 38 Y 39 Zr 40 Nb 41 Mo 42 Tc 43 Ru 44 Rh 45 Pd 46 Ag 47 Cd 48 In 49 Sn 50 Sb 51 Te 52 I 53 Xe 54 Minerals are considered the inorganic elements of the body. Name: Cesium Symbol: Cs Atomic Number: 55 Atomic Mass: amu Melting Point: 28.5 C ( K, 83.3 F) Boiling Point: C ( K, F). Discovered by J.D.G. In fact, uranium was the element that made the discovery of radioactivity possible. ", Found in some rare-earth minerals. Five natural isotopes, and five radioactive isotopes. Groups of Elements 1A 8A H He 2A 3A 4A 5A 6A 7A Li Be B C N O F Ne NaAlkali metals 5A Nitrogen group H 1 2A Alkaline earth metals 6A Oxygen group He 2 1 1 2A Transition metals 7A Halogens 3A 4A 5A 6A 7A 3A Boron group 8A Noble gases Li 3 Be 4 B 5 C 6 N 7 O 8 F 9 Ne 10 2 2 4A Carbon group Hydrogen Inner transition metals Na 11 Mg 12 Al 13 Si 14 P 15 S 16 Cl 17 Ar 18 3 3 8B 3B 4B 5B 6B 7B 1B 2B K 19 Ca 20 Sc 21 Ti 22 V 23 Cr 24 Mn 25 Fe 26 Co 27 Ni 28 Cu 29 Zn 30 Ga 31 Ge 32 As 33 Se 34 Br 35 Kr 36 4 4 Rb 37 Sr 38 Y 39 Zr 40 Nb 41 Mo 42 Tc 43 Ru 44 Rh 45 Pd 46 Ag 47 Cd 48 In 49 Sn 50 Sb 51 Te 52 I 53 Xe 54 5 5 Cs 55 Ba 56 Hf 72 Ta 73 W 74 Re 75 Os 76 Ir 77 Pt 78 Au 79 Hg 80 Tl 81 Pb 82 Bi 83 Po 84 At 85 Rn 86 6 6 * * Fr 87 Ra 88 Rf 104 Db 105 Sg 106 Bh 107 Hs 108 Mt 109 7 7 W W La 57 Ce 58 Pr 59 Nd 60 Pm 61 Sm 62 Eu 63 Gd 64 Tb 65 Dy 66 Ho 67 Er 68 Tm 69 Yb 70 Lu 71 * Ac 89 Th 90 Pa 91 U 92 Np 93 Pu 94 Am 95 Cm 96 Bk 97 Cf 98 Es 99 Fm 100 Md 101 No 102 Lr 103 W Good resistance to corrosion by alkalis, sulphuric and hydrochloric acid. Actinium. 25. Silicon vs. Silicone Silicon (Si) elementSilicone (Si O Si) polymer Sealant (caulk) prevents leaks Breast augmentation No cause-and-effect relationship exists between breast enlargement and breast cancer. Electron Configuration Br = 1s22s22p63s23p6 4s23d104p5 }, 40 Ne. Zinc. "contentUrl": "https://slideplayer.com/slide/5744876/19/images/58/Electron+Configuration.jpg", Essential element for living organisms. Ho. 41. 30. }, 36 Named after the 'inventor' of the periodic table, Dmitri Mendeleev.

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