Question

For each formula,name the elements present and give the number of atoms of each element in each compound:
a.CaCO3 - calcium carbonate - chalk
b.HCI - hydrogen chloride - part of stomach acid
c.C10H8 - naphthalene - mothballs
d.C9H8O4 - acetylsalicylic acid - aspirin

Answer 1

Dear Student,


In CaCO₃ , Calcium Carbonate
number of Calcium (Ca) atom is 1 , 1 Carbon atom and 3 oxygen (O) atoms are present.
In, HCl, Hydrogen Chloride, 1 Hydrogen and 1 Chlorine atom.
In, C₁₀H_{8 ,} Naphthalene , 10 carbon atoms and 8 hydrogen atoms.
In, .C₉H₈O₄ , Acetylsalicylic acid, 9 carbon atoms, 8 hydrogen atoms and 4 oxygen atoms.

Regards,