Question

Write the formula of any one compound.​

Answer 1

Answer:

H2 + Cl2 gives 2HCl also known as hydrochloric acid

or NaCl sodium chloride

Answer 2

Answer:

- hydroxide (OH-)

- carbonate (CO3-)

- phosphate (PO43-)

- nitrate (NO3-)

- sulfate (SO42-)

hope this helps : )