Question

When atoms combine to form compounds, they gain,lose,or share

Answer 1

it depends upon the atomic number

Step-by-step explanation:

if the atomic number is below 4 it will lose electrons

if the atomic number is above 4 it will gain electrons

if the atomic number is 4 it will share its electrons with other atom of the same element make covalent bonds

ex; carbon

Answer 2

Answer: electron

Explanation:When atoms combine to form compounds, they gain,lose,or share *electron.*