Period Table

Question 1

What is the electron configuration of Hydrogen? (H)

Answer 1

1s1

Question 2

What is the electron configuration of Helium? (He)

Answer 2

1s2

Question 3

What is the electron configuration of Lithium? (Li)

Answer 3

1s2 2s1

Question 4

What is the electron configuration of Beryllium? (Be)

Answer 4

1s2 2s2

Question 5

What is the electron configuration of Boron? (B)

Answer 5

1s2 2s2 2p1

Question 6

What is the electron configuration of Carbon? (C)

Answer 6

1s2 2s2 2p2

Question 7

What is the electron configuration of Nitrogen? (N)

Answer 7

1s2 2s2 2p3

Question 8

What is the electron configuration of Oxygen? (O)

Answer 8

1s2 2s2 2p4

Question 9

What is the electron configuration of Fluorine? (F)

Answer 9

1s2 2s2 2p5

Question 10

What is the electron configuration of Neon? (Ne)

Answer 10

[Ne] or 1s2 2s2 2p6

Question 11

What is the electron configuration of Sodium? (Na)

Answer 11

[Ne] 3s1 or 1s2 2s2 2p6 3s1

Question 12

What is the electron configuration of Magnesium? (Mg)

Answer 12

[Ne] 3s2 or 1s2 2s2 2p6 3s2

Question 13

What is the electron configuration of Aluminium? (Al)

Answer 13

[Ne] 3s2 3p1 or 1s2 2s2 2p6 3s2 3p1

Question 14

What is the electron configuration of Silicon? (Si)

Answer 14

[Ne] 3s2 3p2 or 1s2 2s2 2p6 3s2 3p2

Question 15

What is the electron configuration of Phosphorus? (P)

Answer 15

[Ne] 3s2 3p3 or 1s2 2s2 2p6 3s2 3p3

Question 16

What is the electron configuration of Sulfur? (S)

Answer 16

[Ne] 3s2 3p4 or 1s2 2s2 2p6 3s2 3p4

Question 17

What is the electron configuration of Chlorine? (Cl)

Answer 17

[Ne] 3s2 3p5 or 1s2 2s2 2p6 3s2 3p5

Question 18

What is the electron configuration of Argon? (Ar)

Answer 18

[Ar] or 1s2 2s2 2p6 3s2 3p6

Question 19

What is the electron configuration of Potassium? (K)

Answer 19

[Ar] 4s1

or

1s2 2s2 2p6 3s2 3p6 4s1

Question 20

What is the electron configuration of Calcium? (Ca)

Answer 20

[Ar] 4s2

or

1s2 2s2 2p6 3s2 3p6 4s2

Question 21

What is the electron configuration of Scandium? (Sc)

Answer 21

[Ar] 4s2 3d1

or

1s2 2s2 2p6 3s2 3p6 4s2 3d1

Question 22

What is the electron configuration of Titanium? (Ti)

Answer 22

[Ar] 4s2 3d2

or

1s2 2s2 2p6 3s2 3p6 4s2 3d2

Question 23

What is the electron configuration of Vanadium? (V)

Answer 23

[Ar] 4s2 3d3

or

1s2 2s2 2p6 3s2 3p6 4s2 3d3

Question 24

What is the electron configuration of Chromium? (Cr)

Answer 24

[Ar] 4s2 3d4

or

1s2 2s2 2p6 3s2 3p6 4s2 3d4

Question 25

What is the electron configuration of Manganese? (Mn)

Answer 25

[Ar] 4s2 3d5 or 1s2 2s2 2p6 3s2 3p6 4s2 3d5

Question 26

What is the electron configuration of Iron? (Fe)

Answer 26

[Ar] 4s2 3d6 or 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Question 27

What is the electron configuration of Cobalt? (Co)

Answer 27

[Ar] 4s2 3d7 or 1s2 2s2 2p6 3s2 3p6 4s2 3d7

Question 28

What is the electron configuration of Nickel? (Ni)

Answer 28

[Ar] 4s2 3d8 or 1s2 2s2 2p6 3s2 3p6 4s2 3d8

Question 29

What is the electron configuration of Copper? (Cu)

Answer 29

[Ar] 4s2 3d9 or 1s2 2s2 2p6 3s2 3p6 4s2 3d9

Question 30

What is the electron configuration of Zinc? (Zn)

Answer 30

[Ar] 4s2 3d10 or 1s2 2s2 2p6 3s2 3p6 4s2 3d10

Question 31

What is the electron configuration of Gallium? (Ga)

Answer 31

[Ar] 4s2 3d10 4p1 or 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1

Question 32

What is the electron configuration of Germanium? (Ge)

Answer 32

[Ar] 4s2 3d10 4p2 or 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2

Question 33

What is the electron configuration of Arsenic? (As)

Answer 33

[Ar] 4s2 3d10 4p3 or 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3

Question 34

What is the electron configuration of Selenium? (Se)

Answer 34

[Ar] 4s2 3d10 4p4 or 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4

Question 35

What is the electron configuration of Bromine? (Br)

Answer 35

[Ar] 4s2 3d10 4p5 or 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

Question 36

What is the electron configuration of Krypton? (Kr)

Answer 36

[Ar] 4s2 3d10 4p6 or 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6