Question

Write their chemical formule:
1. Oxygen
2.Carbon dioxide
3. Iron
4.Salt
5.Water vapour
6.Nitrogen​

Answer 1

$\huge\mathfrak{Answer}$

1. O2
2. CO2
3. Fe
4. NaCl
5. H2O
6. N2

$\huge{\ddot{\smile}}$

Answer 2

Answer:

1.O2

2.CO2

3.I don't know iron

4.NaCl

5.I don't know water vapour

6.N2

Explanation:

sorry, I couldn't answer 3 and 5

hope the others help.....