Chem H Intro to Electron Configuration

Examine the boarding house diagrams in Model 1. Match each symbol below with its most likely meaning.

• H

• Manager’s code for the number of boarders in the house and their room assignments.

• 1s² 2s² 2p⁶ 3s¹

• Bunk bed for boarders

• ●

• Boarders

Boarders are only allowed to double up in a bunk in a room when...

• all bottom bunks are occupied

• all top bunks are occupied

Look at the manager's code for this boarding room.

What do you think those big numbers (1, 2, and 2) indicate?

• floor numbers

• types of room

• number of boarders in each room

Look at the manager's code for this boarding room.

What do you think those letters (s, s, and p) indicate?

• floor numbers

• types of room

• number of boarders in each room

Look at the manager's code for this boarding room.

What do you think those tiny numbers (2, 2, and 4) indicate?

• floor numbers

• types of room

• number of boarders in each room

The pink room on a floor will be opened for boarders only when...

• all of the lower bunks in the sunny room on that floor are occupied

• all of the bunks in the sunny room on that floor are occupied

• all the bunks in the sunny room on that floor are empty

Use "dots" to represent 12 boarders who are occupying in this boarding house.

Identify the manager's code for the boarding house occupied by 12 boarders.

• 3s²

• 2p⁶

• 1s²

• 2s²

Examine the orbital diagrams and electron configurations in Model 2. Match each symbol below with its meaning.

• c

• Pair of electrons with opposite spins

• e

• Sublevel (set of orbitals having equivalent energy)

• d

• Atomic orbital (region of space where an electron is likely to be found)

• b

• Electron configuration

• a

• Single electron

Tags

NGSS.HS-PS1-1

Consider the orbital diagram for oxygen in Model 2. How many electrons are present in the orbital diagram?

• 6

• 8

• 10

• 12

• 2

Tags

NGSS.HS-PS1-1