More cards in this set

Card 6

Front

Elements in the same period are arranged ....?

Back

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Card 7

Front

Elements in the same group are arranged ...?

Back

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Card 8

Front

What is equal to the number of protons?

Back

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Card 9

Front

What do you call the bigger number that is made up of the number of protons and electrons?

Back

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Card 10

Front

The bottom number is the number of?

Back

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Card 11

Front

Elements with the same atomic number but different mass numbers are called .....

Back

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