2.1.1

Proton

nucleus, relative mass 1, relative charge +1

1 of 8

Neutron

Nucleus, relative mass 1, relative charge 0

2 of 8

Electron

Orbitals, relative mass 1/1800, relative charge -1

3 of 8

Isotopes

atoms of the same element with the same protons but different number of neutrons

4 of 8

Relative Isotopic Mass

the mass of one isotope compared to 1/12 of the mass of carbon-12

5 of 8

Relative Atomic Mass

the average mass of one atom compared to 1/12 of the mass of carbon-12

6 of 8

Relative Molecular Mass

the average mass of a molecule compared to 1/12 of the mass of carbon-12

7 of 8

Relative Atomic Mass =

(total (isotopic mass x relative abundance)) / total relative abundance

8 of 8

Other cards in this set

Nucleus, relative mass 1, relative charge 0

Neutron

Orbitals, relative mass 1/1800, relative charge -1

atoms of the same element with the same protons but different number of neutrons

the mass of one isotope compared to 1/12 of the mass of carbon-12

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