The law of conservation of matter states that matter cannot be created or destroyed. This law applies when a chemical change occurs. The number of atoms present before a chemical change is the same as the number of atoms present after the change. The atoms may be combined in a new way, but the overall number of atoms remains unchanged. Using the law of conservation of matter, if I started an experiment with 200 atoms of matter, how many atoms would I have after the chemical change? Question 1 options: 100 200 300 400

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30 April, 10:21

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Ernesto Floyd · Answer 1

It says it will never change. So whatever it was before the change, it will be the same after the change. So, 200 should be correct.