Chemistry Ch. 4 Electron configuration

A quantum of energy is the

• frequency of electromagnetic energy given off by an atom.

• wavelength of electromagnetic energy gained by an atom.

• minimum quantity of energy that can be lost or gained by an atom.

• continuous spectrum of energy given off by an atom.

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1

Which element is depicted from this orbital diagram

• Fluorine
• Neon
• Chlorine
• Argon

Tags

NGSS.HS-PS1-1

What is the electronic configuration of iron?

• 1s²2s²2p⁶3s²3p⁶4s²3d⁶
• 1s²2s²2p⁶3s²3p⁶3d⁸
• 1s²2p⁶3s²3p⁶4s²3d⁶
• 1s²2s²2p⁶3s²3p⁶4s¹3d⁶

Tags

NGSS.HS-PS1-1

What is the electronic configuration of sodium?

• 1s²2s²2p⁶3s¹
• [Ne]3s¹
• 1s²2s²2p⁷
• Both A and B are correct

Tags

NGSS.HS-PS1-1

Identify this atom: 

• Lithium
• Chlorine
• Phosphorus 
• Fluorine

Tags

NGSS.HS-PS1-1

What electron configuration matches an oxygen atom?

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

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Tags

NGSS.MS-PS1-1

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up
• There is nothing incorrect with this diagram
• In the there should only be 1 orbital in the first 2p box and one in the 2nd 2p box
• All the arrows should be pointing up.

Tags

NGSS.HS-PS1-1