1.2 Atomic Structure

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What is the relative mass and charge of a proton?
Relative mass of 1, and a +1 charge
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What is the relative mass and charge of a neutron?
Relative mass of 1, and a 0 charge
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What is the relative mass and charge of an electron?
Relative mass of 1/1840, and a -1 charge
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What does the atomic number represent?
Number of protons in the nucleus
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What does the mass number represent?
Number of protons and neutrons in the nucleus
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What is the definition of an isotope?
Atoms with the same number of protons but a different number of neutrons
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What is an ion?
an atom that has lost or gained one or more electron, and so the number of electrons do not equal the number of protons
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What is a cation?
A positive ion that has lost one or more electrons to fill its outer shell
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what is an anion?
A negative ion that has gained one or more electrons to fill its outer shell
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Card 2

Front

What is the relative mass and charge of a neutron?

Back

Relative mass of 1, and a 0 charge

Card 3

Front

What is the relative mass and charge of an electron?

Back

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Card 4

Front

What does the atomic number represent?

Back

Preview of the front of card 4

Card 5

Front

What does the mass number represent?

Back

Preview of the front of card 5
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