Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules2 Marks
Question
Predict the total number of atoms in case:
Aluminium hydroxide.
✓
Answer
Aluminium hydroxide $\left[\mathrm{Al}(\mathrm{OH})_3\right]$ :
There are three hydrogen and oxygen atoms and one atom of aluminum.
Total number of atoms $=3 \mathrm{H}+3 \mathrm{O}+1 \mathrm{Al}$
Hence, there are total $7$ atoms.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.