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12 January, 05:39

Select the correct answer.

The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain?

OA. 14

O B. 7

Oc. o

+1
Answers (2)
  1. 12 January, 05:40
    0
    Answer: B). 7

    Explanation: The atomic number of an element is the number protons that are present in the nucleus of an atom of the element while the atomic mass of an element is the mass of its nucleus which is equal to the sum of protons and neutrons in the nucleus of the atom.

    Atomic mass = number of protons + number of neutrons

    Atomic mass of nitrogen = 14

    Atomic number of nitrogen = number of protons = 7

    Therefore, number of neutrons of nitrogen = 14-7

    Number of neutrons = 7
  2. 12 January, 06:07
    0
    The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain?

    7

    Explanation:

    From the periodic table, nitrogen has a netron of 7 while its counterpart as well i. e proton and electron
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Home » Biology » Select the correct answer. The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain? OA. 14 O B. 7 Oc. o
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