An atom X has a mass of protons 36740 times that of an electron. Identify the correct representation of the atom. The number of neutrons is 1 unit less than the protons.
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Let the atom has x protons.
Mass of 1 proton is 1837 times that of an electron.
Therefore mass of x protons will be 1837x times that of an electron.
Thus, ATQ,
1837x=36740
or, x=20
Therefore the element has 20 protons,that is, the element is Calcium.
The electronic representation of the element will be:-
K=2 ; L=8 ; M=8 ; N=2.
Mass of 1 proton is 1837 times that of an electron.
Therefore mass of x protons will be 1837x times that of an electron.
Thus, ATQ,
1837x=36740
or, x=20
Therefore the element has 20 protons,that is, the element is Calcium.
The electronic representation of the element will be:-
K=2 ; L=8 ; M=8 ; N=2.
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