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WorksheetsClassifying Elements
Total questions: 24
Worksheet time: 19mins
Name
Class
Date
1.
This chart is being used in a class investigation. What is the focus of the investigation?
a)
What determines if an element is a good conductor?
b)
What is the difference between a metal and nonmetal?
c)
What makes an element dull?
d)
What material can be made into computer chips?
2.
Complete the following list for the physical properties of metals: (1) good conductors (2) malleable (3) luster (4)...
a)
gas at room temperature
b)
semiconductor
c)
high melting point
d)
low density
3.
Which is NOT a physical property of metals?
a)
odor
b)
luster
c)
conductivity
d)
malleability
4.
Silicon is found on the periodic table in the area circled on the picture. Silicon is...
a)
a metal
b)
a nonmetal
c)
a metalloid
d)
a gas a room temperature
5.
Most _____ are gasses at room temperature.
a)
metals
b)
nonmetals
c)
metalloids
d)
elements
6.
______ is the most abundant element on Earth.
a)
Hydrogen
b)
Oxygen
c)
Sulfer
d)
Water
7.
If I know the mass and volume of an object, I can determine the object's _____.
a)
density
b)
weight
c)
matter
d)
element
8.
Most metalloids are semiconductors.
a)
true
b)
false
9.
Most metals are gasses at room temperature.
a)
true
b)
false
10.
Most nonmetals are dull and brittle.
a)
true
b)
false
11.
If you are categorizing samples of elements based on conductivity and malleability, what is the purpose of your classification?
a)
To see how conductivity and malleability vary between metals and nonmetals.
b)
To see how conductivity and luster vary between metals and nonmetals.
c)
To see how chemical reactivity varies between metals and nonmetals.
d)
To find density.
12.
Metals will break if you bend them because they are brittle.
a)
true
b)
false
13.
The following are physical properties of which type of element? Dull, solid, brittle, poor conductor
a)
metal
b)
nonmetal
c)
metalloid
d)
semimetal
14.
Metals have a high density and high melting point. Nonmetals have a low density and low melting point.
a)
true
b)
false
15.
Elements with similar chemical properties are found together on the periodic table in _______.
a)
Periods (rows, across)
b)
Groups (up & down, columns)
16.
I am metallic-gray, brittle, and can conduct electricity. What type of element am I?
a)
metal
b)
nonmetal
c)
metalloid
d)
semi-nonmetal
17.
I am a gas at room temperature and cannot conduct electricity. What type of element am I?
a)
metal
b)
nonmetal
c)
metalloid
d)
semimetal
18.
_____ are located on the right side of the Periodic Table.
a)
metals
b)
nonmetals
c)
metalloids
d)
semi-nonmetals
19.
______ make up most of the elements on the Periodic Table.
a)
metals
b)
nonmetals
c)
metalloids
d)
semiconductors
20.
All elements were discovered in the same year.
a)
true
b)
false
21.
An element symbol (chemical symbol) always has a ______.
a)
number
b)
lower case letter
c)
capital letter
d)
two letters
22.
All elements are found in large amounts all over the Earth.
a)
true
b)
false
23.
All metals, except mercury, are ____ at room temperature.
a)
solids
b)
liquids
c)
gasses
d)
plasma
24.
_____ are the basic building blocks of all matter.
a)
Compounds
b)
Elements
c)
Mixtures
d)
Reactions
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