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An element X consists of 20 protons and ...

An element X consists of 20 protons and 20 neutrons. Mention the atomic number and mass number, and represent the element with atomic number and mass number.

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To solve the problem step by step, we will determine the atomic number and mass number of the element X, which consists of 20 protons and 20 neutrons. ### Step 1: Identify the atomic number The atomic number of an element is defined as the number of protons in its nucleus. - Given: Number of protons = 20 - Therefore, Atomic Number (Z) = 20 ...
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An atoms 'X' is made up of 20 protons and 20 neutrons. Write the atomic number and mass number and represent the atom with atomic number and number.

Knowledge Check

  • The number of electrons in an element with atomic number X and mass number Y will be

    A
    X - Y
    B
    Y-X
    C
    X + Y
    D
    X

  • The number of protons in an atom of atomic number Z and mass number A is

    A
    zero
    B
    Z
    C
    A-Z
    D
    A

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