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The number of neutrons in dipositive zin...

The number of neutrons in dipositive zinc ion with mass number `70` is.

A

34

B

40

C

36

D

38

Text Solution

Verified by Experts

The correct Answer is:
B
`._30Zn^70, Zn^(2+)` has No. of Neutrons =70-30=40
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Knowledge Check

  • The total number of neutrons in dipositive zinc ions with mass number 65 is

    A
    32
    B
    35
    C
    40
    D
    38

  • The number of neutrons in dipositive zincion ( Zn^(2+) ,mass number 70 and atomic number 30) is -

    A
    34
    B
    36
    C
    38
    D
    40

  • If a dipositve ion of an element 'X' consists of 12 protins and 12 neutrons and another dipositve ion of an element 'Y' consists of 18 electrons and twice the number of electrons of dipositive ion X is the number of neutrons of Y . Then the mass numbers would be in the ratio of

    A
    ` 1 : 2 `
    B
    `3 : 5`
    C
    `12 : 19`
    D
    `2 : 3`

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