What is the shape of the s orbital?

• dumbbell

• sphere

• clover

• flat

What is the shape of the d orbital?

• flat

• sphere

• dumbbell

• clover

What element has the electron configuration 1s² 2s²?

• Li

• Be

• He

• Mg

Tags

NGSS.HS-PS1-1

What is the maximum number of electrons that can be represented by n = 3?

• 2

• 6

• 6

• 18

Tags

NGSS.HS-PS1-1

What element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p¹?

• Gallium

• Indium

• Aluminum

• Germanium

Tags

NGSS.HS-PS1-1

How many orbitals are there in the p sublevel?

• 1

• 3

• 5

• 7

Light is emitted when an electron moves from the ________ state to the _________ state.

• excited, ground

• ground, excited

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

What is the highest occupied energy level?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

What element has the electron configuration 1s²2s²2p⁶3s²?

• Neon

• Magnesium

• Aluminum

• Potassium

Tags

NGSS.HS-PS1-1

What property of this wave is represented by the letter A?

• Amplitude

• Crest

• Trough

• Wavelength

Tags

NGSS.HS-PS4-1