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12 July, 14:04

Strontium has the atomic number of 38 and a mass number of 88 how many neutrons are in one atom of strontium

A.) 50

B.) 38

C.) 88

D.) 126

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Answers (2)
  1. 12 July, 14:18
    0
    Answer: The correct answer is Option A.

    Explanation:

    Atomic number is defined as the number of protons or electrons that are present in a neutral atom.

    Atomic number = number of protons = number of electrons

    Mass number is defined as the sum of number of protons and number of neutrons present in an atom.

    Mass number = Number of neutrons + Number of protons.

    We are given:

    Atomic number = 38

    Mass number = 88

    Number of neutrons = Mass number - Atomic number = 88 - 38 = 50

    Hence, the correct answer is Option A.
  2. 12 July, 16:59
    0
    Answer: The correct answer is Option A.

    Explanation:

    Atomic number is defined as the number of protons or electrons that are present in a neutral atom.

    Atomic number = number of protons = number of electrons

    Mass number is defined as the sum of number of protons and number of neutrons present in an atom.

    Mass number = Number of neutrons + Number of protons.

    We are given:

    Atomic number = 38

    Mass number = 88

    Number of neutrons = Mass number - Atomic number = 88 - 38 = 50

    Hence, the correct answer is Option A.
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