WJEC Electronic Configuration

Label the parts of the atom.

b

c

d

e

a

Nucleus

Proton

Neutron

Electron shell

Electron

Tags

NGSS.MS-PS1-1

How many electrons does potassium have in its outer shell?

• 1
• 10
• 19

• 8

Tags

NGSS.HS-PS1-1

How many electrons does nitrogen have in its outer shell?

• 3
• 7
• 9
• 5

Tags

NGSS.HS-PS1-1

What is the electron configuration of calcium?

• 40

• 2.8.8.1.

• 20

• 2.8.8.2.

Tags

NGSS.HS-PS1-1

Which element has an electron configuration of 2.8.7?

• Chlorine

• Oxygen

• Carbon

• Neon

Tags

NGSS.HS-PS1-1

Which element has an electron configuration of 2.8.5?

• Phosphorus (P)

• Fluorine (F)
• Carbon (C)
• Oxygen (O)

Tags

NGSS.HS-PS1-1

Which element has an electron configuration of 2.8.8.1?

• Francium (Fr)
• Lithium (Li)
• Sodium (Na)
• Potassium (K)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element has an electron configuration of 2.1?

• Helium (He)

• Hydrogen (H)

• Lithium (Li)

• Beryllium (Be)

Tags

NGSS.HS-PS1-1

What is the electron configuration of magnesium?

• 2.8.2

• 2.8.8.2

• 1.2.2

• 2.2.2

Tags

NGSS.HS-PS1-1

How many electrons does fluorine have in its outer shell?

• 7

• 8

• 9

• 10

Tags

NGSS.HS-PS1-1