AAtomic Structure and Isotopes

Question 1

Isotopes

Answer 1

Same atomic number, different mass number

Question 2

Atomic number

Answer 2

Number of protons

Question 3

Mass number

Answer 3

Number of protons plus neutrons

Question 4

Relative atomic mass

Answer 4

The average mass of an atom of an element taking into account the relative abundance of all naturally occurring isotope relative to one twelfth the mass of one atom of carbon twelve

Question 5

Relative isotopic mass

Answer 5

The mass of an atom of a single isotope relative to one twelfth the mass of one atom of carbon twelve