WorksheetsMatters and Their Interactions Review
Total questions: 16
Worksheet time: 9mins
The amount of matter in an object.
mass
volume
Which of the following involves a change in chemical properties?
Boiling water to make steam
mixing vinegar and baking soda to make bubbles of CO2
melting a bar of solid gold to make liquid gold
tearing a piece of paper into smaller pieces
If you are given 2 unknown samples of gray metals, how can you use physical properties to determine if they are the same?
you can use their masses
compare their densities
compare their ability to react with acid
you can identify the elements that they are made of
A student has sand, water, and chalk. Which 2 could the students combine to make a mixture?
Only water and chalk can form a mixture.
Only water and sand can form a mixture.
Only chalk and sand can form a mixture.
Any 2 of the 3 together can form a mixture.
Which of the following is classified as a compound?
Pb2
CO2
Na
H2
Which of the following is NOT a physical property of matter?
color
density
acidity
solubility
How are elements and compounds related?
Compounds make up elements. An element and its compounds have different properties.
Elements make up compounds. A compound and its elements have different properties.
Compounds make up elements. An element and its compounds have the same properties.
Elements make up compounds. A compound and its elements have the same properties.
A compound is a pure substance made up of ____________ elements that are chemically combined.
zero
one
two or more
What is the atomic number of Oxygen?
15.999
8
O
10
The atomic number tells the number of protons in the Nucleus. How many protons are in the element Carbon?
6
12.011
12
8
What is the element symbol for Iron?
Ir
I
Fe
Ie
Which property describes energy flowing through a light bulb?
solubility
magnetism
electrical conductivity
shininess
During a physical or chemical change, which of the following always remains the same?
volume
mass
molecular structure
odor
In a chemical equation, the formulas to the right of the arrow are called ___________________
subscripts
coefficients
reactants
products
Which physical property can be used to separate iron filings from sand?
density
solubility
volume
magnetism
