wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chem Do Now - Dec.7

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

True/False: You can shorten the electron configuration by using the noble gas configuration for ALL elements.

a)

true, it works for all elements!

b)

false, it can not be used for noble gases!

2.

What is the correct format for writing noble gas configurations?

a)

[Noble gas that comes before the element] valence electrons

b)

[Noble gas that comes after the element] valence electrons

c)

[Noble gas closest] valence electrons

d)

[Any Noble gas] valence electrons

3.

How many valence electrons are in Magnesium if it has the noble gas configuration [Ne] 3s2

a)

1

b)

2

c)

12

d)

not enough information

4.

Which configuration is LONGER?

a)

noble gas configuration

b)

electron configuration

5.

select the noble gas configuration

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d5

b)

[Ar] 4s2 3d5

6.

What is the noble gas configuration for carbon (C)?

a)

1s2 2s2 2p2

b)

[He] 1s2 2s2 2p2

c)

[He] 2p2

d)

[Ne] 2p2

7.

What is the noble gas configuration for potassium (K)?

a)

1s2 2s2 2p6 3s2 3p6 4s1

b)

[Ar] 3p6 4s1

c)

[Ar] 3s2 3p6 4s1

d)

[Ar] 4s1

8.

What element has the noble gas configuration [Kr] 5s2 4d7

a)

Rh

b)

Ru

c)

Pd

d)

Kr

9.

What element has the noble gas configuration [Xe] 6s2 5d10 6p5

a)

Xe

b)

Rn

c)

At

d)

Po

10.

In a noble gas configuration, the electrons written after the [noble gas] are the (a)   electrons