WorksheetsATOMIC STRUCTURE & CHEMICAL BONDING
Total questions: 15
Worksheet time: 8mins
No two electrons in an atom will have all the four quantum numbers are same. Is the statement of?
Hund’s rule
Aufbau principle
Pauli’s exclusion
Principle uncertainty principle
Azimuthal quantum number determines the...
Size
Spin
Orientation
Angular momentum of orbital
The outer shell configuration of nitrogen is
2s2
3p1
2p3
2p2
The quantum number for the designation of 3d are
n=2,m=3
n=3,l=3
n=2,l=1
n=3,l=2
The Heisenberg Principle states that ____________
No two electrons in the same atom can have the same set of four quantum numbers.
No two electrons in the same atom can have the same set of four quantum numbers.
It is impossible to determine accurately both the position and momentum of an electron simultaneously
Electrons of atoms in their ground states enter energetically equivalent sets of orbitals singly before they pair up in any orbital of the set.
Which atomic orbital is spherical in shape?
2s
3p
3d
4f
The maximum number of electrons that can be accommodated in a sublevel for which l = 3 is:
2
10
6
14
Which of the following has a positive charge?
Proton
Neutron
Anion
Electron
De-Broglie equation states the:
Dual nature
Particle nature
Wave nature
None of these
An orbital is a region of space where there is a high probability of finding
Proton
Neutron
Positron
Electron
According to the wave-mechanical model of the atom, electrons in an atom
travel in defined circles
are most likely found in an excited state
have a positive charge
are located in orbitals outside the nucleus.
When one atom transfers one or more valence electrons to another atom, a __________ is formed.
Ionic bond
Covalent bond
Coordinate bond.
Hydrogen bond
Any halogen needs __________ additional electron(s) to complete its octet.
1
2
3
0
The bond which comes to existence due to sharing of electrons is known as
Ionic bonding
Covalent bonding
Metallic bonding
Dative bonding
BF3 forms an adduct with NH3 .The type of bond in this adduct is …………………….
Ionic bonding
Covalent bonding
Coordinate bonding
Hydrogen bonding
