Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules2 Marks
Question
Predict the total number of atoms in case:
Calcium phosphate.
✓
Answer
Calcium phosphate $\left[\mathrm{Ca}_3\left(\mathrm{PO}_4\right) 2\right]$ :
There are three calcium atoms, two phosphorus atoms and eight oxygen atoms.
Total number of atoms $=2 \mathrm{Ca}+2 \mathrm{P}+8 \mathrm{O}$
Hence, there are total $12$ atoms.
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