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

• 1

• 2

• 6

• 10

Tags

NGSS.MS-PS1-1

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.MS-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.MS-PS1-1

What is the correct electron configuration of Fluorine?

• 1s² 2s² 2p⁵

• [He] 2s² 2p⁶

• 1s² 2s² 2p⁶

• [Li] 2s² 2p⁵

Tags

NGSS.MS-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 element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²?

• Calcium

• Potassium

• Argon

• Neon

Tags

NGSS.MS-PS1-1

What element has the electron configuration 1s² 2s² 2p⁴?

• Oxygen

• Neon

• Fluorine

• Nitrogen

Tags

NGSS.MS-PS1-1

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

• 10 electrons

• 8 electrons

• 2 electrons

• 5 electrons

Tags

NGSS.MS-PS1-1

How many atomic orbitals are there in the p sublevel?

• 2
• 3
• 4
• 5