Search results for "Atomic mass/Table" - New World Encyclopedia
From New World Encyclopedia
- Thallium (chemical symbol Tl, atomic number 81) is a soft, malleable ... In the periodic table, thallium lies in group 13 (former group 3A ...13 KB (1,784 words) - 15:06, 30 April 2023
- Europium (chemical symbol Eu, atomic number 63) is the most reactive ... that lies in period six of the periodic table, between samarium and gadolinium ...10 KB (1,254 words) - 04:34, 23 March 2024
- (chemical symbol Pr, atomic number 59) is a soft silvery metallic ... that lies in period 6 of the periodic table, between cerium and neodymium ...12 KB (1,535 words) - 22:14, 30 November 2022
- Manganese (chemical symbol Mn, atomic number 25) is a gray-white metal ... seven (former group 7B) of the periodic table. In period four, it lies ...14 KB (1,946 words) - 11:03, 9 March 2023
- Gallium (chemical symbol Ga, atomic number 31) is a rare, soft, silvery ... the basis of its position in the periodic table. Mendeleev called the hypothetical ...15 KB (2,122 words) - 04:06, 18 April 2024
- Cerium (chemical symbol Ce, atomic number 58) is a silvery metallic ... that lies in period six of the periodic table, between lanthanum and praseodymium ...15 KB (2,039 words) - 23:59, 3 December 2023
- Hafnium (chemical symbol Hf, atomic number 72) is a lustrous, silvery ... that lies in period six of the periodic table, between lutetium and tantalum ...10 KB (1,277 words) - 16:40, 21 January 2024
- | Molecular mass | 119.12 g mol-1 |- | Melting point | 256 °C ... Stereoisomers are molecules whose atomic connectivity is the same ...9 KB (1,271 words) - 23:04, 30 April 2023
- Ruthenium (chemical symbol Ru, atomic number 44) is a rare, hard, ... Ruthenium is classified as a transition metal. In the periodic table ...13 KB (1,814 words) - 18:24, 22 December 2022
- Tantalum, formerly tantalium (chemical symbol Ta, atomic number 73 ... that lies in period six of the periodic table, between hafnium and tungsten ...14 KB (1,813 words) - 03:03, 19 April 2023
- (chemical symbol Nd, atomic number 60) is a silvery metallic element ... that lies in period 6 of the periodic table, between praseodymium and ...12 KB (1,578 words) - 16:18, 11 November 2022
- Samarium (chemical symbol Sm, atomic number 62) is a bright silvery ... that lies in period six of the periodic table, between promethium and europium ...11 KB (1,437 words) - 02:07, 23 December 2022
- to the current arrangement of the Periodic Table of the Elements. He spent ... and was the chairman of the United States Atomic Energy Commission from 1961 ...29 KB (4,253 words) - 17:38, 23 May 2024
- Rhodium (chemical symbol Rh, atomic number 45) is a rare, silvery ... Rhodium is classified as a transition metal. In the periodic table ...13 KB (1,685 words) - 20:04, 8 December 2022
- Lithium (chemical symbol Li, atomic number 3) is the lightest solid ... metals" in group 1 of the periodic table. Two well-known elements ...16 KB (2,302 words) - 04:29, 29 October 2022
- Palladium (chemical symbol Pd, atomic number 46) is a rare, silver ... Palladium is classified as a transition metal. In the periodic table ...13 KB (1,749 words) - 06:25, 18 November 2022
- Chromium (chemical symbol Cr, atomic number 24) is a hard, shiny, ... Chromium is a transition metal in period four of the periodic table ...15 KB (2,106 words) - 21:52, 10 December 2023
- Oxygen (chemical symbol O, atomic number 8) is the second most common ... of the Earth's crust (46.6% by mass), the second most common component ...23 KB (3,469 words) - 06:02, 18 November 2022
- Yttrium (chemical symbol Y, atomic number 39) is a lustrous, silvery ... metals in period 5 of the periodic table and is located between strontium ...12 KB (1,634 words) - 21:34, 4 June 2023
- Strontium (chemical symbol Sr, atomic number 38) is a soft, silvery ... group 2 (former group 2A) of the periodic table, between calcium and barium ...14 KB (1,860 words) - 21:04, 26 February 2023
