They differ in the number of their neutrons. Hydrogen doesn’t contain neutron, deuterium has one, and tritium has two neutrons. The isotopes of hydrogen have mass numbers of one, two, and three.
B. No since rusting is a chemical change it does not follow the law of conservation of mass.
Answer:
An atom that gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion. Picture 1.8 Some atoms lose electrons and become positive ions. Others gain electrons and become negative ions.
Explanation:
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