What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

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.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

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up

• There is nothing incorrect with this diagram

• There should be 1 electron (arrow) in the first 2p box and one in the 2nd 2p box

• All the arrows should be pointing up.

Tags

NGSS.HS-PS1-1

How many electrons can the d sublevel hold?

• 14
• 10
• 2
• 6

Tags

NGSS.HS-PS1-1

Which rule is being violated in the following orbital diagram?

• Hund's

• Aufbau's

• Pauli's Exclusive

Tags

NGSS.HS-PS1-1

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle

Tags

NGSS.HS-PS1-1

Which of the following statements regarding electronic orbitals is/are correct? (you may need to select more than one answer)

• Each p-orbital can hold a maximum of six electrons.

• The 3p-orbitals have a higher energy level than the 3s-orbital.

• The 4s orbital has a higher energy than the 3d orbital.

• The 1s-orbital has the same shape and energy as the 2s-orbital.