WorksheetsElements and Compounds
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
The chemical symbol of an element always matches the element's name.
a)
Agree
b)
Disagree
2.
Two or more different elements chemically combine to form compounds.
a)
Agree
b)
Disagree
3.
Every compound has a chemical formula.
a)
Agree
b)
Disagree
4.
Essential for life
a)
Elements
b)
Compounds
c)
Both
5.
Represented by an unique chemical symbol
a)
Elements
b)
Compounds
c)
Both
6.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
7.
Which of the following is the most abundant element Earth’s crust?
a)
Calcium
b)
Iron
c)
Oxygen
d)
Potassium
8.
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
9.
Compounds are different than elements because compounds are -
a)
A combination of two or more elements.
b)
B)not able to be broken down into parts
B)not able to be broken down into parts
c)
made from the same type of atoms
d)
a pure substance, elements are not
10.
Use the periodic table to determine the Chemical symbol for Iron.
a)
Ir
b)
FE
c)
Fe
d)
I
11.
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
12.
All of the following elements are major components of living things on Earth EXCEPT -
a)
nitrogen
b)
carbon
c)
sulfur
d)
oxygen
13.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
14.
The properties of the elements that make up a compound are usually very similar to the compound itself.
a)
True
b)
False
15.
Is water an element or a compound?
a)
Element
b)
Compound
16.
Which of the following is a compound?
a)
Co
b)
He
c)
CO
d)
H
17.
Elements are represented by a...
a)
More than one capital letter
b)
Chemical symbol
c)
Chemical formula
d)
Oxygen
18.
The chemical symbol N is used for what element?
a)
Rubidium
b)
Gold
c)
Potassium
d)
Nitrogen
19.
Is salt NaCl a compound or a element?
a)
Element
b)
Compound
20.
How many different elements are represented in the compound?
Fe3O4
Fe3O4
a)
2
b)
3
c)
1
d)
4
100 %
