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Total number of orbital containing electrons in Ni (28) atom in its ground state is?
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Total number of orbital containing electrons in Ni (28) atom in its gr...
**Total number of orbitals containing electrons in Ni (28) atom in its ground state**

In order to determine the total number of orbitals containing electrons in a nickel (Ni) atom in its ground state, we need to understand the electronic configuration of the atom.

**Electronic configuration of Nickel (Ni) atom**
The atomic number of nickel is 28, which means it has 28 electrons. The electronic configuration of nickel can be determined by filling the electrons in the available orbitals according to the Aufbau principle, Pauli exclusion principle, and Hund's rule.

The electronic configuration of nickel (Ni) is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸.

Let's break down the electronic configuration and determine the number of electrons in each orbital.

**1s orbital:** 2 electrons (s orbital can hold a maximum of 2 electrons)
**2s orbital:** 2 electrons (s orbital can hold a maximum of 2 electrons)
**2p orbitals:** 6 electrons (3 p orbitals can hold a maximum of 6 electrons)
**3s orbital:** 2 electrons (s orbital can hold a maximum of 2 electrons)
**3p orbitals:** 6 electrons (3 p orbitals can hold a maximum of 6 electrons)
**4s orbital:** 2 electrons (s orbital can hold a maximum of 2 electrons)
**3d orbitals:** 10 electrons (5 d orbitals can hold a maximum of 10 electrons)

Now, let's calculate the total number of orbitals containing electrons.

**Total number of orbitals containing electrons:**

- The 1s orbital contains 2 electrons.
- The 2s orbital contains 2 electrons.
- The 2p orbitals contain 6 electrons.
- The 3s orbital contains 2 electrons.
- The 3p orbitals contain 6 electrons.
- The 4s orbital contains 2 electrons.
- The 3d orbitals contain 10 electrons.

Adding up all the electrons in the orbitals, we get:

2 + 2 + 6 + 2 + 6 + 2 + 10 = 30

Therefore, the total number of orbitals containing electrons in a nickel (Ni) atom in its ground state is 30.
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Total number of orbital containing electrons in Ni (28) atom in its ground state is?
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