(sample g/1) X (1 mole/40.078(MW of Ca)) = moles of sample (moles of sample)(6.022 x 10^23( no of atoms)/ 1 mole) = # of atoms in a 120 g sample of calcium Avogadro's number=6.022x 10^23 atoms in 1 mole
9.096491 lbs/gal hope it helps
Protons: 12
Neutrons: 13
<span>Electrons: 12</span>
B. false is the answer of this question
