More cards in this set

Card 6

Front

Where is most of the mass in an atom concentrated?

Back

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Card 7

Front

What is betweent he nucleus and electrons?

Back

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Card 8

Front

Nuclear reactons affect the nucleus. What do chemical reactions affect?

Back

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Card 9

Front

If an atom has 7 electrons, how many protons does it have?

Back

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Card 10

Front

What does the atomic number tell us?

Back

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Card 11

Front

What does the mass number tell us?

Back

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