rk083734 rk083734 04-05-2021 Chemistry contestada On the periodic table, elements become more metallic as you move from left to right across a row, and top to bottom down a column. True False Which groups/families are known to have low melting points? Transition Metals Alkaline Earth Metals Halogens Alkali Metals Nobel Gases Scale is defined as how big something is True False How many chlorine atoms are in one molecule of NaCl? A. 1 B. 0 C. 2 D. Molecules don't have atoms