Question

The sum of proton and neutron in the nucleus of an atom is the
atomic number
Avogadro’s number
Mass number
Oxidation number
The shape of the s-orbital is
elliptical
spiral
circular
spherical
The maximum number of electrons that can be accommodated in the shell having principal quantum number 4 is
16
10
32
18
How many principal electronic shells has an atom with electronic configuration 1S2 2S2 2P6 3S2?
2
3
4
5
Electron occupy each energy level singly before pairing takes place is a statement of
Pauli Exclusion Principle
Aufbau rule
Hund’s rule
Multiple proportion
How many orbitals are in the d-sub shell?
1
3
5
7
Quantum number ‘m’ is associated with
the energy of the orbital in absence of magnetic field
the energy of the orbital in the presence of magnetic field
the shape of the orbital
the spatial orientation of the electron in an orbital under the influence of magnetic field
An element with the electronic configuration of 1S2 2S2 2P6 would have a combining power of
0
2
6
8
Which of the following electrons in the following orbitals will experience the greatest nuclear attraction
1s electron of Helium
1s electron of Potassium
2s electron of Boron
2s electron of carbon
How many electrons are in the L-shell of 15P?
2
5
8
15

Answer 1

Answer:

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