What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷

Tags

NGSS.HS-PS1-1

Each row on the periodic table represents:

• an energy level

• a sublevel

• an electron

• an orbital

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NGSS.HS-PS1-1

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

• representative elements

• columns 3-8

• rare earth elements

• transition elements

What is the noble gas configuration for beryllium?

• [He]1s²
• [He]2s²
• [Li]2s¹
• [Li]2s²

Tags

NGSS.HS-PS1-1

[Ne]3s²3p¹ is the noble gas configuration for which element?

• scandium
• boron
• nitrogen
• aluminum

Tags

NGSS.HS-PS1-1

Which of the following elements is a noble gas?

• 1s² 2s²
• 1s² 2s² 2p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s¹

Tags

NGSS.HS-PS1-1

Which example shows a violation of Hund's Rule?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

Which guideline, Hund’s rule or the Pauli exclusion principle, is violated in the following orbital diagrams?

• Hund's
• Aufbau's
• Pauli's Exclusive

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

All orbitals of equal energy are occupied by one electron before any single orbital is occupied by a second electron.

• Aufbau principle
• Pauli exclusion principle
• Hund’s rule
• Core Notation