Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Atoms, Molecules, Compounds, and Elements: Part 2

Total questions: 10

Worksheet time: 30mins

Name
Class
Date
1.

When creating or working with models of atoms and molecules, an atom is represented as a __________________ .

a)

circle

b)

circus

c)

semi-circle

d)

box

2.

When atoms are touching or connected by lines, they are ____________ together.

a)

bonded

b)

glued

c)

happy

d)

pasted

3.

A group of atoms boned together is known as a ______________ .

a)

mommy cue

b)

morning dew

c)

lumpity dumpidy

d)

molecule

4.

How many atoms of each is there in the chemical formula H2O?

a)

3 total

b)

3 Oxygens and 2 Hydrogens

c)

1 Hydrogen and 2 Oxygens

d)

2 Hydrogens and 1 Oxygen

5.

From the list below, select 3 substances that are considered "Extended Structures."

(you must select 3 answers)

a)

Diamond

b)

DNA

c)

The Rock's Bulging Biceps

d)

Salt Crystal

e)

Optimus Prime

6.

Look at the image to the left for this question...

How many Oxygen atoms would you have to have to make Nitrate?

a)

3

b)

2

c)

1

d)

none

7.

Which sentence describes this substance (a diamond)?

a)

An extended structure made of the same element.

b)

An extended structure made of molecules that are attracted to each other.

c)

A simple molecule made of different elements.

d)

An extended structure made of different elements.

8.

For this question, you must use a periodic table of elements...

What are the atomic symbols for... Magnesium,  Plutonium,  Chlorine

(type the 3 atomic symbols in the correct corresponding order per above)

a)

Mg, Pu, Cl

b)

M, Pu, C

c)

Mg, P, C

d)

Mo, Larry, Curly

9.

Which picture matches the formula C3H8O?

(black = carbon, red = oxygen, white = hydrogen)

a)

A

b)

B

c)

C

d)

D

10.

Which formula matches this molecule?

(white = hydrogen, blue = nitrogen, yellow = fluorine)

a)

A

b)

B

c)

C

d)

D