Prep Chemistry Electron Configuration

What is the maximum number of electrons that an f orbital can have?

• 11 electrons

• 14 electrons

• 13 electrons

• 12 electrons

How many electrons can the third energy level hold?

• 2

• 18

• 8

• 0

What element has the electron configuration

• Nitrogen

• Oxygen

• Magnessium

• Carbon

Tags

NGSS.HS-PS1-1

After 3p orbital has been filled with electron, why the electron is added to the 4s orbital instead of 3d orbital?

• difference in shape of orbital

• the first ionisation is increasing across the period

• the first ionisation is decreasing going down the group

• due to orbital energy level

What do you start electron configuration with?

• 1s²

• 1d¹⁰

• 1f¹⁴

• 1p⁶

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon

• Magnesium

• Aluminum

• Potassium

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1

• 2

• 8

• 0

There are 4 different types of subshells s,p,d,f

• true

• false

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

• 14

• 28

• 2

• 4

Tags

NGSS.HS-PS1-1

What is the electron configuration of calcium

• 20

• 2,8,8,2

• 2,8,10

Tags

NGSS.HS-PS1-1