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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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The sum of the oxidation numbers in a neutral compound is always
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Structures of
Br-Br
PBr3
HBr
NH3, H2O...
Br-Br
PBr3
HBr
NH3, H2O...
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