Electron Configuration

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

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

• 3
• 6
• 8
• 10

Tags

NGSS.MS-PS1-1

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?

[Xe] 6s² 4f¹⁴ 5d⁹

• Mercury

• Gold

• Platinum

• Thallium

Tags

NGSS.HS-PS1-1

What is the shape of an s orbital?

• sphere

• dumbbell

• double dumbbell

• TOO COMPLEX TO KNOW IT.

What is the shape of a p orbital?

• sphere

• it's just too complex to think about it

• dumbbell

• I don't know this stuff.

Which two would have the same shape?

• 2p

• 2s

• 3d

• 1s

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

• 14
• 28
• 2
• 4

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

What do you start electron configuration with?

• 1s²
• 1d¹⁰
• 1f¹⁴
• 1p⁶

Tags

NGSS.HS-PS1-1