Question

Tell the number of atoms of each element in these compounds. 1 point per blank N2O3 ___ atoms Nitrogen ____ atoms Oxygen CaCO3 ____ atoms Calcium ____ atoms Carbon ____ atoms Oxygen

Answer 1

Answer : In
`N_2O_3`, there are 2 nitrogen atoms and 3 oxygen atoms.

In
`CaCO_3`, there are 1 Calcium atom and 1 carbon atom and 3 oxygen atom.

Explanation :

Compound is formed from a combination of two or more different chemical elements.

In the given compound
`N_2O_3`, 2 nitrogen molecule are combined with the 3 oxygen molecule.

In
`CaCO_3`, 1 calcium molecule, 1 carbon molecule and 3 oxygen molecules are combined.