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

2 Answers

3 votes

Answer:

it is 12

Step-by-step explanation:

because matter can put be created or destroyed

User BValluri
by
4.4k points
3 votes
12 because they just don’t disappear I forgot what the rule is called tho
User Thierryb
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