Problem: Determine the number of each type of atom in each formula:KNO3a) 3 potassium atoms, 3 nitrogen atoms and 3 oxygen atoms. b) 1 potassium atom, 3 nitrogen atoms and 3 oxygen atoms.c) 1 potassium atom, 1 nitrogen atom and 3 oxygen atoms. d) 1 potassium atom, 1 nitrogen atom and 1 oxygen atom.

FREE Expert Solution

In a chemical formula, subscript indicates the # of atoms

  • if element has no subscript → only one atom
  • KNO3 → composed of: K, N and O
View Complete Written Solution
Problem Details

Determine the number of each type of atom in each formula:

KNO3


a) 3 potassium atoms, 3 nitrogen atoms and 3 oxygen atoms. 

b) 1 potassium atom, 3 nitrogen atoms and 3 oxygen atoms.

c) 1 potassium atom, 1 nitrogen atom and 3 oxygen atoms. 

d) 1 potassium atom, 1 nitrogen atom and 1 oxygen atom.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Atomic Theory concept. You can view video lessons to learn Atomic Theory. Or if you need more Atomic Theory practice, you can also practice Atomic Theory practice problems.