Calculate the number of electrons in an element of mass number 40:1 and atomic number 20
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i think in my point of view 20 electrons is the answer
i hope it will help u
i hope it will help u
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Mass Number, A = 40.
Atomic Number,. Z = 20.
Number of electrons, e = Number of protons, p
A = Z + n ( n = Number of neutrons)
40 = 20 + n
n = 40 - 20 = 20
Number of neutrons = number of protons = Z
Protons = 20
Electrons = 20.
Atomic Number,. Z = 20.
Number of electrons, e = Number of protons, p
A = Z + n ( n = Number of neutrons)
40 = 20 + n
n = 40 - 20 = 20
Number of neutrons = number of protons = Z
Protons = 20
Electrons = 20.
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