Step by step solution: The position of hydrogen is controversial in the periodic table because hydrogen is the only element without neutrons. Hydrogen is a nonmetal and is placed above the group in the periodic table because it has ns1 electron configuration like the alkali metals.
<span>Dr. Garcia should compare fly cells to human cells.
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The answer is 2.7gm/cm^3 . Density is mass divided by volume .
Delete the cactus and the tree on the right for the first one and the third picture delete the lion moose Buffalo
Answer:
if charge of ion is positive then it will loose electron
if charge of ion is negative it will gain electron
