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19 votes
19 votes
If you have 12 atoms of hydrogen before a chemical reaction, how many atoms of hydrogen will be present after the chemical reaction?

User Amitdigga
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2 Answers

5 votes
5 votes

Answer:

it is 12

Step-by-step explanation:

because matter can put be created or destroyed

User SomeGuy
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2.3k points
13 votes
13 votes
12 because they just don’t disappear I forgot what the rule is called tho
User Stargateur
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