Electron Configurations & Periodic Table review

Identify the element based on the electron configuration:

1s²2s²2p²

• nitrogen

• carbon

• boron

• fluorine

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

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

• 14
• 28
• 2
• 4

Tags

NGSS.HS-PS1-1

What do you start all electron configurations with?

• 1s²

• 1d¹⁰

• 1f¹⁴

• 1p⁶

Tags

NGSS.HS-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

Which of the following is the correct electron configuration for a sodium atom?

• 1s¹   2s¹  3s¹ 
• 1s²   2s²  2p⁶  3s¹ 
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹
• 1s²   2s¹

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is the correct electron configuration for a neon atom?

• 1s² 2s² 2p³
• 1s² 2s² 2p⁶ 3s¹
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
• 1s² 2s² 2p⁶ 

Tags

NGSS.HS-PS1-1

Which color of light will have the most energy, violet at 410 nm or red at 650 nm?

• violet

• red

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which type of light will have lower energy, orange at 600 nm or green at 520 nm?

• orange

• green

Tags

NGSS.HS-PS4-1