10 questions
What charge does an atom have when it GAINS electrons?
Positive
Negative
Neutral
What is the picture displayed?
atom
element
molecule
The symbol of Mercury is taken from its latin name:
Cuprum
Stibium
Argentum
Hydrargyrum
IUPAC stands for:
International Understanding of Physics and Chemistry
International Union of Pure and Applied Chemistry
Indian Union of Pure and Applied Chemistry
International Union of Permutation and Combination
unified mass (u) equals
The relative atomic mass of Cl is
35.5 u
35.5
37 u
37