Which of the following is the most reactive non-metal?, 7 Nitrogen (N), 9 Fluorine (F), 35 Bromine (Br), 10 Neon (Ne), 87 Francium (Fr), Identify the metal(s):, 21 Scandium (Sc), 14 Silicon (Si), 16 Sulfur (S), 78 Platinum (Pt), 6 Carbon (C), 5 Boron (B), Identify the nonmetal(s):, 21 Scandium (Sc), 14 Silicon (Si), 16 Sulfur (S), 78 Platinum (Pt), 6 Carbon (C), 5 Boron (B), Identify the metalloid(s):, 21 Scandium (Sc), 14 Silicon (Si), 16 Sulfur (S), 78 Platinum (Pt), 6 Carbon (C), 5 Boron (B), Which of these elements has the largest atomic mass?, 89 Actinium (Ac), 90 Thorium (Th), 91 Protactinium (Pa), Which of these elements has the largest atomic number?, 89 Actinium (Ac), 90 Thorium (Th), 91 Protactinium (Pa), Which of these elements has 1 valence electron?, 5 Boron (B), 4 Beryllium (Be), 6 Carbon (C), 3 Lithium (Li), Which of these elements has 2 valence electrons?, 5 Boron (B), 4 Beryllium (Be), 6 Carbon (C), 3 Lithium (Li), Which of these elements has 3 valence electrons?, 5 Boron (B), 4 Beryllium (Be), 6 Carbon (C), 3 Lithium (Li), Which of these elements has 4 valence electrons?, 5 Boron (B), 4 Beryllium (Be), 6 Carbon (C), 3 Lithium (Li), Which of these elements is a gas at room temperature?, 82 Lead (Pb), 80 Mercury (Hg), 54 Xenon (Xe), Which of these elements is a liquid at room temperature?, 82 Lead (Pb), 80 Mercury (Hg), 54 Xenon (Xe), Which of these elements is a solid at room temperature?, 82 Lead (Pb), 80 Mercury (Hg), 54 Xenon (Xe), Which of these elements is the most reactive metal?, 9 Fluorine (F), 86 Radon (Rn), 37 Rubidium (Rb), 87 Francium (Fr).

Periodic Table Patterns_B

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