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Card 6

Front

What are the masses of protons, neutrons and electrons?

Back

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Card 7

Front

What charge does an atom have and why?

Back

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Card 8

Front

In the periodic table, when you find an element, what is the bottom number next to it and what does it tell you?

Back

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Card 9

Front

In the periodic table, when you find an element, what is the top number next to it and what does it tell you?

Back

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Card 10

Front

How do you find the number of neutrons in an element from the periodic table?

Back

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Card 11

Front

If an atom becomes charged as it has unequal numbers of protons and electrons (so the charges don't perfectly cancel) what do you call it?

Back

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Card 12

Front

How does an atom become a negative ion?

Back

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Card 13

Front

How does an atom become a positive ion?

Back

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Card 14

Front

How is the periodic table arranged? (make 3 points)

Back

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Card 15

Front

What do the groups of the periodic table show?

Back

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