Electron Configuration

How many electrons are in the 2s orbital of Calcium?

• 1

• 2

• 6

• 10

Tags

NGSS.HS-PS1-1

What are the sublevel orbital(s) that make up the fourth energy level (n = 4)?

• s

• s, p

• s, p, d

• s, p, d, f

If the second energy level (n = 2) currently contains 5 electrons, how many more electrons can still fit in the second energy level?

• 0 electrons

• 3 electrons

• 5 electrons

• 7 electrons

What are the sublevel orbital(s) that make up the first energy level (n = 1)?

• s

• s, p

• s, p, d

• s, p, d, f

What is the correct electron configuration of Magnesium?

• 1s² 2s² 2p⁶ 3s²

• 1s² 2s² 2p⁶ 3d²

• 1s² 2s² 2p⁶ 3s¹ 3p¹

• 1s² 2s² 2p⁶ 3p²

Tags

NGSS.HS-PS1-1

The electron configuration of an unknown atom is 1s² 2s² 2p⁶ 3s² 3p⁴? How many electrons are found in this atom?

• 16 electrons

• 8 electrons

• 10 electrons

• 15 electrons

Tags

NGSS.MS-PS1-1

How many electrons are in the 2p orbital of Aluminum?

• 6 electrons

• 13 electrons

• 1 electrons

• 8 electrons

Tags

NGSS.HS-PS1-1

What is the correct electron configuration of Fluorine?

• 1s² 2s² 2p⁵

• [He] 2s² 2p⁶

• 1s² 2s² 2p⁶

• [Li] 2s² 2p⁵

Tags

NGSS.HS-PS1-1

What is the correct electron configuration of Phosphorus?

• 1s² 2s² 2p⁶ 3p⁵

• 1s² 2s² 2p⁶ 3s¹ 3p⁴

• 1s² 2s² 2p⁶ 3s² 3p³

• 1s² 2s² 2p⁶ 3s² 3d³

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct electron configuration of Manganese?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁴

• [Ar] 4s² 3d⁵

• 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s²

• [Ar] 3d⁵ 4s²

Tags

NGSS.HS-PS1-1