21-01-2016
Chemistry

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Can someone please help me with this question? I don't understand it

Can someone please help me with this question I dont understand it class=

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shininggirl2005 shininggirl2005

21-01-2016

There are 3 different elements

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lollipop54321 lollipop54321

21-01-2016

There are 3 elements: Na, H Co

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