which of the following statements are true about subatomic particle
I.) the charge of electron is opposite to the charge of proton
II.) proton has approximately the same mass with neutron
III.) Electron and proton are located within the nucleus
IV.) The mass of an atom is concentrated at the nucleus
a. I, II, and III
b. I, II and IV
c. I, III and IV
d. I, II , III and IV
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Answer:
letter B
Explanation:
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