WebS Sulfur nonmetal 17 Cl Chlorine halogen 18 Ar Argon noble gas 19 K Potassium alkali metal 20 Ca Calcium alkaline earth metal 21 Sc Scandium transition metal 22 Ti Titanium … WebTranscript An element's second ionization energy is the energy required to remove the outermost, or least bound, electron from a 1+ ion of the element. Because positive charge binds electrons more strongly, the second ionization energy of an element is always higher than the first. Created by Jay. Sort by: Top Voted Questions Tips & Thanks
Antimony - Element information, properties and uses
WebJul 20, 1998 · antimony (Sb), a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table ). Antimony exists in many … WebThe atomic mass of an element is 32.07 u and its atomic number is 16. The number of protons contained in the nucleus of an atom of this element is (A) 16 (B) 31 (C) 32 (D) 48 10. The nucleus of which atom contains seven neutrons? Atom B M = 15,Z = 7 9. The atomic mass of an element is 32.07 u and its atomic number is 16. The element forms a ... pay northside radiology
List of chemical elements - Wikipedia
WebThe metals list which makes up the periodic table includes iron, lead, gold, aluminum, platinum, uranium, zinc, lithium, sodium, tin, silver, etc.. The nonmetals list which makes up the periodic table includes hydrogen, helium, carbon, sulfur, nitrogen, oxygen, radon, neon, other halogens, and noble gases etc.. When we study the elements, it is important to … Web119 rows · Sb: Antimony: Latin Stibium: 51: 121.75 u: 6.69 g/cm 3: 630.7 °C: 1750 °C: prehistoric: unknown Sc: Scandium: 21: 44.95591 u: 2.99 g/cm 3: 1539 °C: 2832 °C: 1879: … WebThe darker more stable isotope region departs from the line of protons (Z) = neutrons (N), as the element number Z becomes larger. Of the first 82 elements in the periodic table, 80 have isotopes considered to be stable. … screw tree benefits for hair