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Compounds and Elements

Total questions: 17

Worksheet time: 10mins

Name
Class
Date
1.
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.
2.
Which of the following is the most abundant element Earth’s crust?
a)
Calcium
b)
Iron
c)
Oxygen
d)
Potassium
3.
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
4.
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
c)
made from the same type of atoms
d)
a pure substance, elements are not
5.
Use the periodic table to determine the Chemical symbol for Iron.
a)
 Ir
b)
FE
c)
Fe
d)
I
6.
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
7.
The oceans are primarily composed of which two elements?
a)
carbon and hydrogen
b)
calcium and silicon
c)
hydrogen and oxygen
8.
What is the difference between a compound and an element?
a)

Compounds are made up of elements and can be chemically separated. Elements cannot be separated.

b)

Elements make up compounds. Elements can be separated but compounds cannot be separated.

c)

Elements are found on the periodic table and compounds are found on the dining room table.

9.
All of the following elements are major components of living things on Earth EXCEPT -
a)
nitrogen
b)
carbon
c)
sulfur
d)
oxygen
10.
The definition of lithosphere is
a)

The outer layer of air surrounding the earth.

b)

The core of the sun.

c)

All the water in the oceans.

d)

The rigid outer layer of the earth.

11.
Uniform composition is
a)

made up of baseball uniforms.

b)

made of the same evenly distributed substance or combination of substances throughout.

c)

made up of atoms evenly distributed

12.

Properties are only the physical characteristics of matter.

a)

False

b)

True

13.

The definition of biosphere is...

a)

the rigid outer layer of the earth

b)

All the water on the earth

c)

All living things on the earth

d)

The gas surrounding the earth

14.

The lithosphere is

a)

All the water on the earth

b)

The gas surrounding the earth

c)

The rigid outer layer of the earth

d)

The living matter on the earth

15.

The atmosphere is

a)

The rigid outer layer of the earth

b)

The living matter on the earth

c)

All the water on the earth

d)

The gas surrounding the earth

16.

The abundant elements of the atmosphere are

a)

hydrogen and oxygen

b)

oxygen, carbon, hydrogen, phosphorous, calcium, and nitrogen

c)

nitrogen, oxygen, argon

17.

The abundant elements in the lithosphere are

a)

oxygen, carbon, hydrogen, phosphorous, calcium, and nitrogen

b)

oxygen and silicon

c)

nitrogen, oxygen, and argon