Answer:
the first one is protons and electrons the second one is protons the third one is neutrons and the forth one is also neutron
The law of conservation of mass<span> states that </span>mass<span> in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
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Answer:
Do you have a picture of this?
Answer:
The differemt isotopes that differ in atomic mass
Explanation:
