Chpt 2 - Atoms, Ions, and compounds

Question 1

Relative atomic mass

Answer 1

weighted mean mass of an atom of an atom relative to 1/12th of the mass of an tom of carbon -12.

Question 2

Relative isotopic mass

Answer 2

mass of an isotope relative to 1/12th of the mass of an atom of carbon -12.

Question 3

Binary compound

Answer 3

contains two elements only

Question 4

Polyatomic ions

Answer 4

an ion that contains atoms of more than one element bounded together