I Think.
Neutron(s).
I Think.
Goods are objects that fulfill peoples needs and wants.
<span>2H2 + O2 → 2H2O</span>
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<span>okay???</span>
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Answer:
There are multiple ways to check mass but I'll tell you one. Look below
Explanation:
One easy way of checking atomic mass is by adding protons and neutrons.
For example:
We have 5 protons and 4 neutrons.
5+4=9
I hope this helps (: