Question

Molecular formulae of some compounds are given in the following table. Use these to fill in the gaps in the table. Sr. No. Name of the compound molecular formula Constituent elements Number of atoms of constituent elements 1. Water H₂O H 2 O 1 2. Hydrogen chloride HCl ... ... ... ... 3. Methane CH₄ ... ... ... ... 4. Magnesium chloride MgCl₂ ... ... ... ...

Answer 1

Sr.No.---Name of the compound---molecular formula ---Constituent elements--- Number of atoms of constituent elements

1) Water--H₂O--- 2 H ,O---H-2,O-1

2)Hydrogen chloride --HCl --H,Cl---H-1, Cl-1

3. Methane--- CH₄ ---Carbon , Hydrogen--C-1,H-4

4. Magnesium chloride --MgCl₂ ... Magnesium,Chlorine--Mg-1,Cl-2