Chemistry, 29.07.2021 14:00 princessss30188
Which of the following are true for an element? (i)Atomic number= number of protons + number of electrons (ii)Mass number = number of protons+ number of neutrons (iii)Atomic mass= number of protons= number of neutrons (iv)Atomic number = number of protons = number of electrons
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Which of the following are true for an element? (i)Atomic number= number of protons + number o...
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