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More cards in this set
Card 6
Front
Discovered neutrons in the nucleus to stop protons repelling each other
Back
Card 7
Front
Has the same atomic number but a different atomic mass
Back
Card 8
Front
Average mass of one atom of an element divided by 1/12 the mass of one carbon-12 atom
Back
Card 9
Front
Average mass of one molecule divided by 1/12 the mass of one carbon-12 atom
Back
Card 10
Front
Have different numbers of electrons but the same number of protons
Back
Card 11
Front
Holds 2 electrons in 1 orbital
Back
Card 12
Front
Holds 6 electrons in 3 orbitals
Back
Card 13
Front
Holds 10 electrons in 5 orbitals
Back
Card 14
Front
Holds 14 electrons in 7 orbitals
Back
Card 15
Front
An electron from 4s is promoted to 3d giving the formation [Ar] 4s1 3d5 which is more stable
Back
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