Answer:
If an atom has an equal number of protons and electrons, its net charge is 0. If it gains an extra electron, it becomes negatively charged and is known as an anion. If it loses an electron, it becomes positively charged and is known as a cation.
Explanation:
The study of cell injury and cell death is the basis for the understanding of disease mechanisms. It is interesting and essential material for medical practice and medical science.
The statement is false. Scientists perform experiments to confirm or disprove what they already know and to learn more.
HI THERE :)
this is definitely false, i took this test. believe me this is 100% false !!
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