20-21 Electron Configuration Practice

[He]2s²2p⁴ is the noble gas configuration for which element?

• oxygen
• sulfur
• phosphorus
• fluorine

Tags

NGSS.HS-PS1-1

[Ne]3s²3p¹ is the noble gas configuration for which element?

• scandium
• boron
• nitrogen
• aluminum

Tags

NGSS.HS-PS1-1

Which of the following shows a correct Lewis dot structure?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which element could X represent?

• iron

• Chlorine

• Silicon

• Oxygen

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

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

What is the noble gas shorthand electron for Phosphorus atom?

• [Ar] 3p⁴

• [He] 3s²3p⁴

• [Ne] 3s²3p³

• [Na] 3s²3p⁴

Tags

NGSS.HS-PS1-1

What do you start electron configuration with?

• 1s²
• 1d¹⁰
• 1f¹⁴
• 1p⁶

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Which electron configuration belongs to Copper (Cu)?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2