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Match it!
Match it! Select the correct answer from the pull down...Good luck!
Where is most of an atoms mass?
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
If potassium has an atomic number of 19 and an atomic mass of 39.09, how many neutrons does it have?
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
Atomic mass minus protons equals
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
Number of electrons that can be held in the first 3 energy levels
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
Which subatomic particles are found in the nucleus of the an atom?
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
Approximately how many known elements are there?
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
What 2 subatomic particles are equal in an atom?
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
Where is most of the volume of the atom?
protons and neutrons
electron cloud
20
2, 8, 18
neutrons
In the nucleus
protons and electrons
100
Check it!