Electron Learning Check

How many valence electrons does Manganese have with this electron configuration?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

Which element has an electron configuration of 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²?

• Oxygen

• Calcium

• Bromine

• Neon

Tags

NGSS.HS-PS1-1

Which element forms a -2 ion?

• Sulfur

• Magnesium

• Chlorine

• Lithium

Tags

NGSS.HS-PS1-1

What is the electron configuration of Barium?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s²

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s¹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4d¹⁰ 4p⁶ 5s² 5d¹⁰ 5p⁶ 6s²

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s⁴

Tags

NGSS.HS-PS1-1

Which element wants to gain electrons?

• Aluminum

• Manganese

• Bromine

• Neon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does Silicon have?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

Which element has similar chemical properties to the element with the configuration in the image?

• Fr

• Cu

• N

• Be

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are modeled in this Lewis Dot Structure?

• 8

• 2

• 4

• 6

Tags

NGSS.HS-PS1-1

Which element will always lose electrons to become stable?

• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which electron configuration is written correctly?

• 1s² 1p⁶ 2s² 2p⁶ 3s² 3p⁶ 4s² 4p⁶

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4p⁶

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4d¹⁰ 4p⁶

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

Tags

NGSS.HS-PS1-1