What atom matches this electron configuration?
1s² 2s² 2p⁶ 3s²

• Neon

• Magnesium

• Aluminum

• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the maximum number of electrons that an S orbital can have?

• 1 electron

• 2 electrons

• 3 electrons

• 4 electrons

How many valence electrons are represented here?

• 7

• 5

• 2

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can the d sublevel(orbital) hold?

• 8

• 10

• 2

• 4

There are 4 different types of subshells(orbitals) s,p,d,f

• true

• false

Which electron configuration belongs to Copper (Cu)?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

Tags

NGSS.HS-PS1-1

How many electron can be found in a p orbital?

• 2

• 3

• 4

• 6

Which area on the periodic table represents the electrons in the "d" sublevel?

• representative elements

• columns 3-8

• rare earth elements

• transition elements

Which of the following blocks in the periodic table contains the alkali metals?

• s-block

• p-block

• d-block

• f-block

What is the shape of an s orbital?

• Spherical

• Dumbbell

• Double dumbbell

• Complex