Question

state the number of atoms in each of the following chemical species i)CO3 2-. ii)HNO3 WITH FULL explanation

Answer 1

co3=1 atom of carbon and 3 atom of oxygen=4 atoms
HNO3=1atom of hydrogen 1 atom of nitrogen and 3 atoms of oxygen=5 atoms
Hope this helps

Answer 2

CO3-2 of 1 unit. There are 4 no.s of atoms plus 1 atom of Carbon and 3 atoms of Arcirc nbsp/ Oxygen.