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Write the atomic number of the element i...

Write the atomic number of the element in which the filling of 3d-subshell in the atom just starts.

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To determine the atomic number of the element in which the filling of the 3d-subshell in the atom just starts, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Order of Electron Filling**: According to the Aufbau principle, electrons fill atomic orbitals in order of increasing energy levels. The order of filling is: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, etc. 2. **Count Electrons in Each Subshell**: ...
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Knowledge Check

  • Atomic number of an element indicates

    A
    the number of electrons in the nucleus
    B
    the number of neutrons in the nucleus
    C
    the number of protons in the nucleus
    D
    valency of an element.

  • What is the atomic number of the element which has 3d^(6) as its outermost configuration?

    A
    12
    B
    32
    C
    26
    D
    24

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