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Card 6

Front

What does the atomic number show?

Back

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Card 7

Front

What does the mass number show?

Back

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Card 8

Front

Define isotopes

Back

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Card 9

Front

What is a popular isotope?

Back

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Card 10

Front

What is the relative abundance?

Back

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Card 11

Front

How do you work out the Ar of two isotopes.

Back

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Card 12

Front

In the 1800's how did they first organise the periodic table?

Back

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Card 13

Front

What did they notice about elements when they were put in order of their atomic mass?

Back

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Card 14

Front

In 1869 what happened to the periodic table?

Back

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Card 15

Front

What did Mandeleev's periodic table have?

Back

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