Respuesta :
Answer:
it depends upon the atomic number
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: electron
Explanation:When atoms combine to form compounds, they gain,lose,or share *electron.*