Electron Configuration & Orbital Diagrams

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

What is the noble gas short-hand electron configuration for sulfur?

• [Ar] 3p⁴

• [He] 3s²3p⁴

• [Ne] 3s²3p⁴

• [Na] 3s²3p⁴

This orbital diagram represents:

• C

• B

• N

• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which orbital shows a violation of the Pauli Exclusion Principle?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

Each orbital can hold ____ electrons

• 5

• 4

• 8

• 2

Which sublevel is associated with more energy?

• 2p

• 2s

• 3p

• 1s

Tags

NGSS.HS-PS1-1

All orbitals of equal energy in the same sublevel ("degenerate orbitals") are occupied by one electron each (with the same direction of spin) before any orbital in the sublevel is occupied by a second electron.

• Aufbau principle

• Pauli exclusion principle

• Hund’s rule

• Core Notation

An electron will occupy the lowest energy orbital that is available to it.

• Hund’s rule

• Pauli exclusion principle

• Bohr model of the atom

• Aufbau principle

What is this element? 
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶

• Argon
• Krypton
• Selenium
• Bromide

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is this element? 
[Ar]4s²

• Calcium
• Sodium
• Scandium
• Titanium

Tags

NGSS.HS-PS1-1