wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Week 1 and 2 Recap Chem

Total questions: 46

Worksheet time: 25mins

Name
Class
Date
1.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

2.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

3.

Which of these is a mixture?

a)

Laundry Detergent

b)

Salt (NaCl)

c)

Oxygen (O)

d)

Fluorine (Fl)

4.
A mixture that is uniform and well mixed is _____.
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
compoud
5.

Cake batter is a substance that may contain flour, eggs and sugars mixed by hand or with an electric mixer. Cake batter is a ___________________ .

a)

pure substance

b)

mixture

6.

The noble gases are a group of six substances with similar properties. They are odorless, colorless gases with low reactivity. They are group 18 on the periodic table. Each noble gas is a(n) _______ .

a)

element

b)

compound

c)

heterogeneous mixture

d)

homogenous mixture/solution

7.

This process allows the fine flour particles to pass through the holes of the strainer while the bigger impurities remain on the strainer. What is this process called?

(a)  

8.

The image shows a mixture of concrete nails and saw dusts. What technique is best to use to separate the nails from the saw dusts?

a)

sieving

b)

chromatography

c)

decantation

d)

magnetic separation

9.

Which of the following techniques is used to separate the components of a solution?

a)

filtration

b)

decantation

c)

evaporation

d)

physical manipulation

10.

Which technique is shown in the image?

a)

seiving

b)

filtration

c)

decanting

d)

crystallization

11.

Name the separation technique

a)

Centrifuge

b)

Bunsen burner

c)

Distillation

d)

Evaporation

12.

Name the separation technique

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Separation

13.

Which separation technique is shown below

a)

using a magnet

b)

separating funnel

c)

Centrifuging

d)

Chromatography

14.
No matter what you do, sand will not dissolve in water, sand is _________ ?
a)
dissolved
b)
soluble
c)
insoluble
d)
aqueous
15.
The number in the upper corner of an element tile (7 for nitrogen) is called _____
a)
the proton number
b)
the atomic number
c)
the electron number
d)
the mass number
16.
For an atom to be electrically neutral, it must contain the same number of _____
a)
protons and neutrons
b)
neutrons and electrons
c)
protons and electrons
d)
nucleons and electrons
17.
The sum of the number of protons and the number of neutrons is called the _____
a)
atomic number
b)
mass number
c)
isotope number
d)
average weight
18.
The middle of the atom, which contains protons and neutrons, is called _____
a)
the shell
b)
the nucleus
c)
the cell
d)
the control center
19.
The nucleus contains _____
a)
only protons
b)
protons and neutrons
c)
protons and electrons
d)
electrons and neutrons
20.
In the Bohr model of the atom, electrons can only be in certain _____
a)
shells
b)
nuclei
c)
frames
d)
circles
21.
How many Protons+Neutrons are in one atom of Lithium?
a)
6.941
b)
7
c)
3
d)
6
22.
How many Protons are in one atom of Lithium?
a)
3
b)
6
c)
7
d)
6.941
23.
How many Neutrons are in one atom of Lithium?
a)
6.941
b)
7
c)
3
d)
4
24.
How many Electrons are in one atom of Lithium?
a)
3
b)
6
c)
7
d)
6.941
25.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
26.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
27.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
28.
How many neutrons does this atom have?
a)
4
b)
5
c)
6
d)
7
29.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
30.

How are elements organized in the Periodic Table?

a)

Elements are ordered by atomic weight

b)

Elements are ordered by atomic number

c)

Elements are arranged alphabetically

d)

Elements are grouped color

31.

The image shows a portion of the periodic table. What does the shaded region represent?

a)

A family or group

b)

Metals only

c)

Nonmetals only

d)

A period

32.

What is illustrated in this photo?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Noble Gasses

33.
Which element has an atomic number of 1?
a)
Lithium
b)
Oxygen
c)
Hydrogen
d)
Francium
34.
Which element has an atomic number of 6?
a)
Carbon
b)
Nitrogen
c)
Xenon
d)
Sodium
35.
Which of the following elements are part of the Transition Metals?
a)
Manganese (Mn)
b)
Magnesium (Mg)
c)
Silicon (Si)
d)
Xenon (Xe)
36.
Which of the following elements is a Noble Gas?
a)
Lithium (Li)
b)
Argon (Ar)
c)
Boron (B)
d)
Bromine (Br)
37.
Carbon has an atomic number of 6. How many protons does each atom have?
a)
4
b)
25
c)
6
d)
12
38.
The atomic number of Helium is 2. Helium has an atomic mass of 4. How many neutrons does Helium have?
a)
4
b)
8
c)
1
d)
2
39.

periods on the periodic table go what direction

a)

side to side

b)

up and down

c)

on a diagonal staircase

d)

both up and down and side to side

40.

groups on the periodic table go in what direction

a)

side to side

b)

up and down

c)

both up and down and side to side

d)

diagonal on a staircase

41.

What element is located in period 4, group 9?

a)

Cu

b)

Ge

c)

Co

d)

Ga

42.

What element is located in period 6, group 4?

a)

Cr

b)

Hf

c)

Mn

d)

Te

43.

What element is located in period 2, group 13?

a)

Ca

b)

B

c)

Mn

d)

K

44.

Which of the following is a metalloid?

a)

Ge

b)

N

c)

Ca

d)

Mg

45.

Which of the following is a nonmetal?

a)

Ge

b)

N

c)

Ca

d)

Mg

46.

Which of the following is a metal in Group 2?

a)

Ge

b)

Na

c)

Ca

d)

Sc

Similar Resources on Wayground

States of Matter/Phase Changes

50 questions

States of Matter/Phase Changes

quiz

Worksheet

•

8th Grade - University

Physical Science Semester 2 Review

50 questions

Physical Science Semester 2 Review

quiz

Worksheet

•

9th - 11th Grade

Unit 2: The Periodic Table & Electrons

50 questions

Unit 2: The Periodic Table & Electrons

quiz

Worksheet

•

9th - 12th Grade

Chemistry Semester 1 Review & Exam

50 questions

Chemistry Semester 1 Review & Exam

quiz

Worksheet

•

10th Grade

Energy of Particles

42 questions

Energy of Particles

quiz

Worksheet

•

9th - 12th Grade

Kinetics

45 questions

Kinetics

quiz

Worksheet

•

9th - 12th Grade

Avogadro's Number & Atom Review

46 questions

Avogadro's Number & Atom Review

quiz

Worksheet

•

9th - 12th Grade

Accel Chem PC #07 NIE and Colligative Properties

49 questions

Accel Chem PC #07 NIE and Colligative Properties

quiz

Worksheet

•

9th - 12th Grade