The atom

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What is the relative mass of an electron?
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What is the relative mass of a neutron?
1
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What is the charge of a proton?
+1
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Define the Mass number
Total no. of protons and neutrons in the nucleus
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What is the atomic number?
Number of protons in the nucleus
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What is the number of electrons the same as?
The number of protons
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How would you work out the number of neutrons?
you would do the mass number minus the atomic number
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What is an ion?
An atom which has gained or lost electrons.
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What do ions have that a regular atom do not?
A positive or negative charge
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Define an isotope.
Atoms of an element with the same number of protons, however a different number of neutrons?
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Does an isotope have the same chemical or physical properties? or both?
Only the same chemical properties as physical properties of an isotope tend to be different.
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Card 2

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What is the relative mass of a neutron?

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Card 3

Front

What is the charge of a proton?

Back

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Card 4

Front

Define the Mass number

Back

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Card 5

Front

What is the atomic number?

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