Free Printable Atomic structure and electronic configuration

Worksheets

Atomic structure and electronic configuration

Total questions: 15

Worksheet time: 9mins

Name

Class

Date

What is the electronic configuration for Phosphorus atom ?

1s²2s²2p⁶3s²3p³

1s²2s²2p⁶3s²3p⁵

1s²2s²2p³

1s²2s²2p⁶3s²

Which of the following is the electronic configuration for Mg²⁺ ion?

1s² 2s² 2p⁶

1s² 2s² 2p⁶ 3s² 3p⁶

1s² 2s² 2p⁶ 3s² 3p²

1s² 2s² 2p⁶ 3s²

Which one of the following is the electronic configuration of the bromine atom?

1s²2s²2p⁶3s²3p⁶3d¹⁰4s¹4p⁶

1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁷

1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁵

1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶

Which one of the following does not represent the electronic configuration of an atom in its ground state?

1s² 2s² 2p³

1s² 2s² 2p⁴

1s² 2s² 2p⁶ 3s¹

1s² 2s² 2p⁶ 3d¹

Which one of the following contains no unpaired electrons in the ground state?

The number of electrons in the 3d orbital of the atom of atomic number 27 is

The vanadium atom (atomic number 23) in its ground state has the electronic configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s²

1s² 2s²2p⁶ 3s² 3p⁶ 3d² 4s³

1s² 2s²2p⁶ 3s² 3p⁶ 3d¹4s² 4p²

1s² 2s²2p⁶ 3s² 3p⁶3d² 4s² 4p¹

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

Zinc

Copper

Nickel

Germanium

What electron configuration matches an oxygen atom?

1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

1s²2s²2p⁴

1s²2s²2p⁶

1s²2s²2p⁶3s²3p⁶4s²3d¹

10.

An orbital can at most hold how many electrons?

1 electron

2 electrons

3 electrons

4 electrons

11.

Which element has electronic configuration of 1s2 2s2 2p6 3s2 3p2

12.

Whta is the electronic configuration for V atom?

[Ar] 4s2 4d2

[Ar] 4s2 3d2

[Ar] 4s2 4d3

[Ar] 4s2 3d3

13.

Which subatomic particle has a positive (+) charge?

Neutron

Proton

Electron

14.

True or False - Protons and Neutrons have about the same mass.

True - They have about the same mass

False - They do not have about the same mass

15.

Which subatomic particle has a negative (-) charge?