Quick quiz

How many electrons does Magnesium (Mg) have?

Tags

NGSS.HS-PS1-1

Order these from lowest to highest energy.

• 4s

• 3s

• 4p

• 3d

What is the electron configuration for Manganese (Mn).

What is the noble gas configuration for manganese?

Tags

NGSS.HS-PS1-1

Which element would have the electron congifuation of

1s2 2s2 2p6

Tags

NGSS.HS-PS1-1

Which one is written wrong?

• 1s2 2s2 2p3 3s2

• 1s2 2s2

• 1s2 2s2 2p3

Tags

NGSS.HS-PS1-1

Sublevel with orbital number

• 1

• d

• 5

• p

• 7

• s

• 3

• f

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

Tags

NGSS.HS-PS1-1

What are valence electrons?

• Electrons farthest away from the nucleus

• Electrons closest to the nucleus

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2