how many electrons are required by each atom of calcium oxide , chlorine , water , carbon tetrachloride to attain the nearest noble gas configuration

how many electrons are required by each atom of calcium oxide , chlori

1.	how many electrons are required by each atom of calcium oxide , chlorine , water , carbon tetrachloride to attain the nearest noble gas configuration
Answer» calcium oxide, CARBON tetrachloride, water are a COMPOUND so no NEED of any electrons.chlorine needs one electron to attain STABLE electronic configuration.