Question

Help me please. Just fill up the blanks pleasee and thank you (i guess)

Answer 1

I think it’s 2 hydrogen, oxygen

Answer 2

i got you , i only know the first part , sorry .

Step-by-step explanation:

1. Na is sodium , O is the oxygen, H is the hydrogen
2. hydrogen is H , oxygen is O
3. Al is aluminum , S is sulfur, O is oxygen