WorksheetsUnit 4 Test Review
Total questions: 25
Worksheet time: 20mins
Which of the following is a property of metalloids?
poor conductors of heat
semiconductors
poor conductors of electricity
good conductors
2 The table shows characteristics of the element gold (Au). Gold is most likely a —
Metalloid
Gas
Nonmetal
Metal
The table shows characteristics of the element arsenic (As). Arsenic is most likely —
an alloy
a metalloid
a metal
a nonmetal
A substance is malleable, is a conductor, and is shiny. The substance is a —
noble gas
metalloid
nonmetal
metal
Krypton and carbon are both poor conductors and found in the section of the periodic table for —
noble gases
nonmetals
metalloids
halogens
The table shows the characteristics of the element phosphorus (P). Phosphorus is most likely —
a metal
a metalloid
an alloy
a nonmetal
Most nonmetals are gases. The solid ones are —
brittle
dense
malleable
shiny
An element is a brittle solid and a poor conductor of electricity. This element is most likely a —
noble gas.
a metalloid.
a nonmetal.
a metal.
Which of the following is NOT a property of metals?
Good conductor
Shiny luster
Brittle
Hard
Boron (B) is an element that has a metallic luster, is a semiconductor, and is very brittle. Boron is a —
metal.
metalloid.
nonmetal.
compound.
Which of the following is true about metals?
They are usually less shiny than metalloids.
They are usually better conductors than nonmetals.
They are usually less malleable than nonmetals.
They are usually more brittle than metalloids.
Which of the following is a property of metals?
Good conductors of electricity
Break easily
Insulator
Dull
Which one of these is a semiconductor?
Metals
Nonmetals
Metalloids
Plastic
If an object is dull, a poor conductor, and brittle, it is most likely —
an alloy.
a metal.
a nonmetal.
a metalloid.
Metalloids —
always conduct electricity.
may contain characteristics of metals and nonmetals.
always have a metallic luster and are malleable.
are all brittle and ductile.
True or False: An object floats in water if it is less dense.
True
False
Find the volume of the object (HINT: use displacement)
10 mL
19 mL
9 mL
8.5 mL
What formula do you use to calculate density?
Density = mass - volume
Density = mass X volume
Density = mass + volume
Density = mass ÷ volume
An object has a volume of 2.0 cm3 and a mass of 8.0 g. What is the density?
16 g/cm3
0.25 g/cm3
4 g/cm3
3 g/cm3
Caroline has a wallet with a mass of 15 g and a volume of 5 cm3. What is the density of the wallet?
10 g/cm3
20 g/cm3
75 g/cm3
3 g/cm3
What formula do you use to calculate mass?
Mass = density - volume
Mass = density X volume
Mass = density + volume
Mass = density ÷ volume
Kevin has a shoe box with a volume of 3 cm3. The density is 2 g/cm3. Find the mass.
1.5 g
5 g
6 g
1 g
Which of the following is evidence of a chemical change?
The shape changes
There is oxygen
A new substance is created
The size changes
Select the symbol and atomic number for calcium.
Ca, 20
C, 6
Cu, 29
Cl, 17
An element has an atomic number of 30. What element is it?
Aluminum
Zinc
Silver
Argon
