WorksheetsScience 7 chemistry
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
Made up of one type of atom
a)
Element
b)
Mixture
c)
Compound
2.
Two or more substances physically combine, substances keep their own properties
a)
Element
b)
Mixture
c)
Compound
3.
Two or more element chemically combine
a)
Element
b)
Mixture
c)
Compound
4.
Represents compounds
a)
Chemical formula
b)
Chemical symbol
5.
Represents elements on the periodic table of elements
a)
Chemical formula
b)
Chemical symbol
6.
Anything that takes up space
a)
Matter
b)
Atom
c)
Molecule
7.
Basic unit of matter
a)
Matter
b)
Atom
c)
Molecule
8.
Two or more types of atoms
a)
Matter
b)
Atom
c)
Molecule
9.
The 3 parts of an atom are:
Proton
Neutron
Electron
Proton
Neutron
Electron
a)
True
b)
False
10.
What charge does a proton have?
a)
positive
b)
negative
c)
neutral
11.
What charge does a electron have?
a)
positive
b)
negative
c)
neutral
12.
What charge does a neutron have?
a)
positive
b)
negative
c)
neutral
13.
Two types of mixtures are heterogeneous and homogeneous
a)
true
b)
false
14.
What is it?
NaCl
NaCl
a)
Element
b)
Compound
c)
Mixture
15.
What is it?
He
He
a)
Element
b)
Compound
c)
Mixture
16.
What is it?
CO
CO
a)
Element
b)
Compound
c)
Mixture
17.
What is it?
Ca
Ca
a)
Element
b)
Compound
c)
Mixture
18.
What is it?
Chex mix
Chex mix
a)
Element
b)
Compound
c)
Mixture
19.
The following are properties of what
Ductile
Malleable
Solid
Shiny
Conductor
Ductile
Malleable
Solid
Shiny
Conductor
a)
Metals
b)
Non metals
c)
Metalloids
20.
Can be drawn into a wire
a)
ductile
b)
malleable
c)
brittle
21.
Can be shaped through hammering and pressure
a)
ductile
b)
malleable
c)
brittle
22.
Breaks easily
a)
ductile
b)
malleable
c)
brittle
23.
Row going across the periodic table of elements
a)
period
b)
group
c)
valence electron
d)
metalloid
24.
Column on the periodic table of elements
a)
period
b)
group
c)
valence electron
d)
metalloid
25.
Number of electrons on the outermost shell
a)
period
b)
group
c)
valence electron
d)
metalloid
26.
Properties of metals and nonmetals
a)
period
b)
group
c)
valence electron
d)
metalloid
27.
What period is the following element in
Helium (He)
Helium (He)
a)
period 1
b)
period 2
c)
period 4
28.
What period is the following element in
Boron (B)
Boron (B)
a)
period 1
b)
period 2
c)
period 4
29.
What period is the following element in
Potassium (K)
Potassium (K)
a)
period 1
b)
period 2
c)
period 4
30.
What period is the following element in
Potassium (K)
Potassium (K)
a)
period 1
b)
period 2
c)
period 4
31.
What group (name) is the following element in
Potassium (K)
Potassium (K)
a)
Noble gases
b)
Alkali metals
c)
Metaliods
32.
Where are nonmetals located on the period table of elements
a)
left
b)
right
c)
center
100 %
