More cards in this set

Card 6

Front

What do we call atoms with the same atomic number but different mass numbers?

Back

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Card 7

Front

Where is most of the mass of an atom found?

Back

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Card 8

Front

Compared to a whole atom, the nucleus is?

Back

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Card 9

Front

if a atom loses one or more electrons is becomes

Back

Preview of the front of card 9