The answer is (1) 10. The protons of Mg atom is 12. So the Mg atom has 12 electrons. The Mg2+ ion has lost two electrons so it has two positive charge. Then the answer is 10 electrons.
Answer:
The molecular weight of the unknown gas is 16.1 g/mol.
What are the statements ?
<span>The water soaks in the cracks of rocks, freezes and expands breaking the rock apart.</span>
