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U5 D1/D2 Review - Intro Electron Configuration

Total questions: 15

Worksheet time: 19mins

Name
Class
Date
1.

What electron configuration matches an oxygen atom?

a)

1s22s22p63s2, 3p64s23d104p5

b)

1s22s22p4

c)

1s22s22p6

d)

1s22s22p63s23p64s23d1

2.

What atom matches this electron configuration?

1s22s22p63s23p64s23d10

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

3.

Identify the Electron Configuration for Aluminum (Al)

a)

1s2 2s2 2p6 3s2 3p1

b)

1s2 2s2 2p6 3s2 3p3

c)

1s2 2s2 2p6 3s2 4p1

4.

What atom matches this electron configuration?

1s22s22p63s2

a)

Neon

b)

Magnesium

c)

Aluminum

d)

Potassium

5.

What sublevel do electron configurations start with?

a)

1s

b)

1d

c)

1f

d)

1p

6.

There are at least 4 different types of subshells s,p,d,f

a)

true

b)

false

7.

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

a)

Hund’s Rule

b)

Aufbau Principle

c)

Pauli Exclusion Principle

8.

What does Pauli exclusion principle state ?

a)

states that each electron occupies the lowest energy orbital available

b)

states that a maximum of two electrons can occupy a single atomic orbital, but if only if the electros have opposite spins

c)

states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

9.

What does Hund's rule states ?

a)

states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

b)

states that each electron occupies the lowest energy orbital available

c)

states that a maximum of two electrons can occupy a single atomic orbital, but if only if the electros have opposite spins

10.

Energy levels are denoted by:

a)

letters

b)

numbers

c)

a combination of letters and numbers

d)

subscripts

11.

The image shows the partial electron configuration of manganese (Mn). Below there are two empty boxes. Correctly drag the final two answers in the correct order to finish its electron configuration.​

​ ​ (a)   ​ (b)  

Choose from the below words

4s²

3d⁵

1p⁶

2s³

3d⁹

2d⁹

12.

Label the three parts of an electron configuration:

13.

Which element is depicted from this orbital diagram

a)

Fluorine

b)

Neon

c)

Chlorine

d)

Argon

14.

Which element is depicted from this atomic orbital diagram?

a)

Carbon

b)

Nitrogen

c)

Oxygen

d)

Phosphorus

15.

Which element is pictured?

a)

neon

b)

fluorine

c)

magnesium

d)

argon