More cards in this set

Card 6

Front

Two electrodes, one positive and one negative, are placed in some molten sodium chloride, and a current passes through. Describe how the sodium and chloride ions react.

Back

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Card 7

Front

Sodium sulfate is and ionic compound. Write the formulae of the two ions in sodium sulfate (Na2SO4).

Back

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Card 8

Front

Calculate the relative formula mass for sodium sulfate. (Relative atomic masses (Ar): Na= 23, O= 16, S= 32

Back

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Card 9

Front

What is a 'covalent' bond?

Back

Preview of the front of card 9