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No of electrons protons and neutrons in chemical species
A number of electrons, protons, and neutrons in chemical species A, B, C, and D is given below.
Element Electrons Protons
A 2 3
B 10 9
C 8 8
D 8 8
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Explanation:
mass number for A is 3+4= 7
mass number for B is 9+8=17
atomic number for B is 9
valency for C is 2
element D because they have a different neutrons.
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