In an atom the sum of neutrons and protons is $14$ . The number of neutrons is two more than number of protons. The atom is :

N

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O

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C

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N e

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Solution

The correct option is B $C$
A = Z + no. of neutrons

Z= number of protons

Let the no. of protons = x

$14 = x + (x + 2) \Rightarrow x = 6$

Hence atom is carbon. ( atomic number is 6)

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Similar questions

(a) an atom has equal number of electrons and protons

(b) an atom has equal number of electrons and neutrons

(d) an atom has equal number of electrons, protons and neutrons

An atomic number is equivalent to the number of protons and neutrons in the atom.

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