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WorksheetsElectron arrangement in atoms
Total questions: 11
Worksheet time: 6mins
............................. is the way in which electrons are arranged in various orbitals around the nuclei of atoms.
Electron configuration
Proton configuration
Neutron configuration
“electrons occupy the orbitals of the lowest energy first”.
Aufbau principle
Pauli Exclusion Principle
Hund’s rule
“Electrons occupy orbitals of the same energy in a way that makes the number of electrons with the same spin direction as large as possible”.
Aufbau principle
Pauli Exclusion Principle
Hund’s rule
“An atomic orbital may describe at most two electrons”.
Aufbau principle
Pauli Exclusion Principle
Hund’s rule
A quantum mechanical property of electrons and may be thought as clockwise and anti-clockwise.
Principal
Secondary
Spin
Write the electronic configuration of hydrogen atom.
1s2
1s1
2s1
Write the electronic configuration of carbon atom.
1s2 2s2 2p6
1s2 2s2 2p2
1s1 2s1 2p4
Write the electronic configuration of copper atom.
1s2 2s2 2p6 3s2 3p6 4s2 3d9
1s2 2s2 2p6 3s2 3p6 4s1 3d10
1s2 2s2 2p6 3s2 3p6 4s2 3d4
Write the electronic configuration of calcium atom.
1s2 2s2 2p6 3s2 3p6 4s2 3d9
1s22s22p63s23p64s2
1s22s22p63s23p6
Write the electronic configuration of neon atom.
1s2 2s2 2p6
1s2 2s1 2p5 3s2
1s2 2s2 2p6 3s2 3p6 4s2 3d4
Write the electronic configuration of lithium atom.
1s2 2s1
1s2 2s2 2p3
1s1 2s2
