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The atomic mass of lead is 208 and its a...

The atomic mass of lead is 208 and its atomic number is 82. The atomic mass of bismuth is 209 and its atomic number is 83. The ratio of neutrons/protons in the atom

A

Higher of Pb

B

Higher of Bi

C

Same of both

D

None

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Knowledge Check

  • The atomic mass of the lead is 208u and its atomic number is 82, the atomic mass of bismuth is 209u and its atomic number is 83. The ratio of the neutrons // protons

    A
    is higher is lead than bismuth
    B
    is lower in lead than bismuth
    C
    is equal in both lead and bimuth
    D
    does not depend on the above data.

  • The atomic number of Potassium is 19 and its mass number is 39. The number of neutrons its atom is

    A
    19
    B
    39
    C
    20
    D
    58

  • The atomic mass and atomic number of lead are 208 and 82. The atomic mass and atomic number of bismuth are 209 and 83. The "neutron"//"proton" ratio in an atom

    A
    Is higher in lead than in bismuth
    B
    Is lower in lead than in bismuth
    C
    Is equal in both lead and bismuth
    D
    None of these

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