Electron Configuration ONL Quiz

• Hydrogen
• Helium
• Lithium
• Sodium

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

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

An orbital can at most hold how many electrons?

• 1 electron
• 2 electrons
• 3 electrons
• 4 electrons

Which family would have electrons filling orbitals in the d-block

• Transition metals
• Halogens
• Noble Gases
• Inner-Transitions

What is the electron configuration for the element He?

• $1s^21p^2$

• $1s^22s^22p^6$

• $1s^2$

• $1s^22s^2$

Tags

NGSS.HS-PS1-1

What element's electron configuration ends in 

 $5p^6$  

• Xenon

• Silver

• Gold

• Iridium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are represented here?

• 7
• 5
• 2
• 8

Tags

NGSS.HS-PS1-1

How many p orbitals are there in a sublevel?

• 2
• 1
• 4
• 3