Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules2 Marks
Question
Predict the total number of atoms in case:
Hydrogen sulphide.
✓
Answer
Hydrogen sulphide $\left(\mathrm{H}_2 \mathrm{S}\right)$ :
There are two hydrogen atoms and one sulphur atom.
Total number of atoms $=2 \mathrm{H}+1 \mathrm{~S}$
Hence, there are total $3$ atoms.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.