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What are valence electrons? How would you determine the valence electrons of Oxygen?
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Joan writes four numbers on the board in standard form, and then she writes their scientific notation
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Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
What are valence electrons? How would you determine the valence electrons of Oxygen?...
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