Free Printable Electronic Configuration

Worksheets

Electronic Configuration

Total questions: 25

Worksheet time: 25mins

Name

Class

Date

What is the noble gas shorthand electron for Sulfur (Ar = 16) atom?

[Ar] 3p⁴

[He] 3s²3p⁴

[Ne] 3s²3p⁴

[Na] 3s²3p⁴

What atom matches this electron configuration?
1s²2s²2p⁶3s²

Neon

Magnesium

Aluminum

Potassium

Which element is depicted from this orbital diagram

Fluorine

Neon

Chlorine

Argon

How many electron can be found in a s orbital?

What is the electronic configuration of Iron (Ar = 26)?

1s²2s²2p⁶3s²3p⁶4s²3d⁶

1s²2s²2p⁶3s²3p⁶3d⁸

1s²2p⁶3s²3p⁶4s²3d⁶

1s²2s²2p⁶3s²3p⁶4s¹3d⁶

Which electron configuration belongs to Chlorine (Ar = 17) ?

1s²2s²2p⁶3s²3p⁵

1s²2s²2p⁶3s²3p⁶

1s²2s²2p⁶3s²3p⁷

What atom matches this electron configuration?
1s²2s²2p⁶3s²

Neon (Ne)

Magnesium (Mg)

Aluminum (Al)

Potassium (K)

Write the configuration for Phosphorus (Ar = 15)

2s2 2p6 3s2 3p3

1s2 2s3 2p6 3p3

1s2 2s2 2p6 3s2 3p3

1s2 2s2 2p5 3s2 3p3

The correct configuration for Neon (Ar = 10) is ...

1s2 2s2 2p6 3s2 3p6

1s2 2s2 2p6 3s2

1s2 2s2 2p6

1s2 2s1 2p6

10.

Which electron configuration belongs to Copper (Ar = 29)?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

11.

Valence electrons are:

Electrons farthest away from the nucleus

Electrons closest to the nucleus

Electrons that just come and go - they don't stay with the atom

12.

Which orbital shows a violation of Hund's Rule?

None of these

13.

Which orbital shows a violation of the Pauli Exclusion Principle?

None of these

14.

What is incorrect about this orbital diagram?

Both arrows in the 2p box should be pointing up

Nothing

One of the electrons in the first 2p box should be placed in the second 2p box, still pointing down

One of the electrons in the first 2p box should be placed in the second 2p box, pointing up

15.

What electron configuration matches an oxygen atom?

1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

1s²2s²2p⁴

1s²2s²2p⁶

1s²2s²2p⁶3s²3p⁶4s²3d¹

16.

Atom X mempunyai nomor atom 19.

dan nomer massa 39.

Lambang atom unsur X adalah

17.

Atom P mempunyai nomor atom 20,
jumlah elektron dalam ion $P^{2+}$ adalah

18.

The electron configuration of an atom is 1s²2s²2p⁶. The number of electrons in the atom is

19.

How many electrons can the first energy level hold?

20.

What do you start all electron configurations with?

1s²

1d¹⁰

1f¹⁴

1p⁶

21.

The 4 orbitals are

s, p, d, f

a, b, c, d

2, 4, 6, 8

22.

Each row on the periodic table represents:

an energy level

a sublevel

an electron

an orbital

23.

Electron configuration of lithium (Li)

$1s^{2^{\ }}2s^1$

$1s^2\ 2p^1$

$2s^1$

$2s^2\ 2p^1$

24.

Electron configuration of beryllium (Ar = 4) is ....

$1s^{2^{\ }}2s^1\ 2p^1$

$1s^2\ 2p^1$

$1s^2\ 2s^2$

$1s^2\ 2s^2\ 2p^1$

25.

Electron configuration of boron (Ar = 5 ) is ...

$1s^{2^{\ }}2s^1\ 2p^1$

$1s^2\ 2s^{2\ }2p^1$

$1s^2\ 2s^1$

$1s^1\ 2s^1\ 2p^1$

Reset

Electronic Configuration

Total questions: 25

Worksheet time: 25mins

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