Practice Quiz over Electron Configurations

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The maximum number of electrons allowed in the d sublevel of the second principal level is

0

A given set of s orbitals consists of ______________ orbital(s).

1

A d sublevel can hold a maximum of

10 electrons

How many electrons are in the third principal energy level (n= 3) of one atom of Fe?

14

The maximum number of electrons allowed in each of the p orbitals is

2

The number of unpaired electrons in a Ge atom is

2

A given set of p orbitals consists of ______________ orbital(s).

3

How many d electrons are there in a vanadium atom?

3

A given set of d orbitals consists of ______________ orbital(s)

5

A given set of d orbitals consists of ______________ orbital(s).

5

A packet of energy of electromagnetic radiation is called

A Photon

1s2 2s2 2p6 3s2 3p6 4s2 3d6 is the electron configuration for which of the following atoms?

Fe

All these atoms have seven electrons in their outermost energy levels except

H

Which of the following pairs of ions are isoelectronic, i.e. they have the same number of electrons in the same electronic configuration.

Mg+2, F-

Which one of the following atoms has a partly filled d sublevel?

Ni

The element with the electron configuration [Kr]5s2 4d10 5p3 is

Sb

What is the correct electron configuration for the iron (III) ion

[Ar]3d5

What is the correct electron configuration for the iron (III) ion?

[Ar]3d5

A packet of energy of electromagnetic radiation is called

a photon


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