More cards in this set

Card 16

Front

What do we know about the number of neutrons?

Back

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Card 17

Front

How do we determine what an element is?

Back

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Card 18

Front

If helium has 2 atoms, what does this tell us about other 2 atomed elements?

Back

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Card 19

Front

Why do elements have different properties from each other?

Back

Preview of the front of card 19