Unit 1 - Chemistry - Atomic Structure

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What does the mass number (A) represent?
Protons, Electrons and Neutrons.
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What does the atomic number (Z) represent?
Protons and Electrons.
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Give the relative charges for the subatomic particles in atoms?
Protons +1 Neutrons 0 Electrons -1
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Give the relative masses for the subatomic particles in atoms?
Protons 1 Neutrons 1 Electrons - Negligible.
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What is meant by the term isotope?
An atom of the same element with the same number of protons and electrons, but different number of neutrons.
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Other cards in this set

Card 2

Front

What does the atomic number (Z) represent?

Back

Protons and Electrons.

Card 3

Front

Give the relative charges for the subatomic particles in atoms?

Back

Preview of the front of card 3

Card 4

Front

Give the relative masses for the subatomic particles in atoms?

Back

Preview of the front of card 4

Card 5

Front

What is meant by the term isotope?

Back

Preview of the front of card 5

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