WorksheetsElements and Compounds
Total questions: 35
Worksheet time: 27mins
Name
Class
Date
1.
Burning sugar on a marshmallow ?
a)
Physical change
b)
Chemical change
2.
Compounds are chemically bounded together
a)
False
b)
true
c)
I don't know?
3.
Can an element be broken down into a simpler substance
a)
yes
b)
No
4.
Are there any compounds on the periodic table
a)
yes there are many
b)
no because only elements are on the periodic table
c)
I think they are?
5.
Which one has more than one type of atom in it
a)
Element
b)
Compound
6.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
7.
which one can be found on the periodic table
a)
Compound
b)
Element
8.
Are there any compounds on the periodic table
a)
yes there are many
b)
no because only elements are on the periodic table
c)
I think they are?
9.
which one only has one type of atom In it.
a)
Element
b)
compound
10.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
11.
Water is an example of:
a)
compound
b)
element
c)
solution
12.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
13.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
14.
What is sugar?
a)
element
b)
compound
c)
mixture
15.
What is gold?
a)
element
b)
compound
c)
mixture
16.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
17.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
18.
Salt has a chemical formula of NaCl. Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
19.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
20.
Which of the following is the most abundant element Earth’s crust?
a)
Calcium
b)
Iron
c)
Oxygen
d)
Potassium
21.
Use the periodic table to determine the Chemical symbol for Iron.
a)
Ir
b)
FE
c)
Fe
d)
I
22.
The smallest particle of any particular type of matter is known by which of the following terms?
a)
Element
b)
Chemical
c)
Atom
d)
Substance
23.
The oceans are primarily composed of which two elements?
a)
carbon and hydrogen
b)
calcium and silicon
c)
hydrogen and oxygen
24.
A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?
a)
Mn
b)
Magnesium
c)
Mg
d)
12
25.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
26.
When two or more elements chemically combine
a)
element
b)
compound
c)
mixture
d)
solution
27.
How light reflects off of a mineral is called?
a)
Streak
b)
Luster
c)
Cleavage
d)
Fracture
28.
If a material can easily be drawn into the shape of wire, it is.....
a)
Malleable
b)
Magnetic
c)
Ductile
d)
Reactive
29.
Which statement best describes an element?
a)
made from mixture
b)
thousands in the world
c)
pure, made of only one atom
d)
can be separated
30.
Which best describes a compound?
a)
found on the periodic table
b)
made from one or more elements
c)
a pure substance made of two or more elements
d)
only 100 in the world
31.
The oceans are primarily composed of which two elements?
a)
carbon and hydrogen
b)
calcium and silicon
c)
hydrogen and oxygen
32.
Which of the following is a compound?
a)
Co
b)
Fe
c)
H
d)
CO
33.
Mc Kenna was baking a cake. Her cake started bubbling on top. How can she explain what is happening?
a)
A chemical reaction produced a solid.
b)
No chemical reation took place
c)
Only a physical change happened
d)
A chemical reaction produced a gas
34.
Separating hydrogen from oxygen is a .......?
a)
Chemical
b)
Physical
35.
Silver Tarnishing ?
a)
Physical
b)
Chemical
100 %
