More cards in this set

Card 6

Front

How are elements arranged in the periodic table?

Back

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Card 7

Front

What is a mass number?

Back

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Card 8

Front

What are protons and neutrons?

Back

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Card 9

Front

What charge do electrons have?

Back

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Card 10

Front

What are electrons?

Back

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Card 11

Front

Why are atoms neutral?

Back

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Card 12

Front

How many protons, neutrons and electrons are there in an atom of aluminium (atomic number 13, mass number 27)?

Back

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