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Card 16
Front
All the atoms of a particular element have what?
Back
Card 17
Front
The number of protons in each atom of an element is called what?
Back
Card 18
Front
The total number of protons and neutrons in an atom is what?
Back
Card 19
Front
Atoms of a particular element always have the same number of protons but they can have what?
Back
Card 20
Front
Atoms with the same number of protons but different numbers of neutrons are what?
Back
Card 21
Front
In all atoms, electrons orbit the nucleus in different orbits or energy levels at different fixed distances from what?
Back
Card 22
Front
An electron will move from a lower to a higher orbit if it absorbs what?
Back
Card 23
Front
An electron will move from a higher to a lower orbit if it what?
Back
Card 24
Front
Atoms become positively charged particles called positive ions when they what?
Back
Card 25
Front
State how electrons can leave an atom
Back
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