Question

List the number of atoms for each element in this compound: NH3 Nitrogen: 4, 3, 2 or 1 Hydrogen: 4 3 2, or 1 ??

Answer 1

Answer:

1 Nitrogen atom and 3 Hydrogen atoms

Explanation:

• A molecule is the smallest particle of an element or a compound that has the properties of the element or the compound.
• Molecules of elements are made up of similar atoms while those of compounds are made up of different atoms from different elements.
• Compounds are made up of atoms of different elements.
• For example, NH₃ is made up of one nitrogen atom and three ammonia atoms, water(H₂O) is made up of two hydrogen atoms and one oxygen atom.