Question

hi friends what sodium ? and what is co² and oxygen​

Answer 1

Answer:

Sodium is an element (Na). It is salt.

CO2 is carbon dioxide, a gas we exhale. Oxygen is a gas we breathe in..

Explanation:

Hope that helps...

Answer 2

Sodium is chemical element with symbol Na and atomic number 11. Carbon dioxide is called as CO^2 and it is gas. Oxygen is a colourless and reactive gas it's chemical formula is O2.