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WorksheetsMatter Test
Total questions: 25
Worksheet time: 13mins
There are many different gases in our atmosphere. Which of the following is a gas made of two different elements?
CO₂
NaOH
N₂
O₃
Which of the following are considered compounds? Choose all that apply.
6
2
3
1
5
All compounds are molecules but not all molecules are compounds.
True
False
How many molecules of NaCl are in the image below?
30
15
6
5
The model for propane is below. Propane is considered to be which of the following?
molecule
ion
element
isotope
In which state of matter do particles have the most kinetic energy?
gas
liquid
solid
Choose which of the following are considered to be matter. Choose all that apply.
food
air
water
light
clouds
Elements are made up of atoms that all have the same number of what?
molecules
neutrons
protons
electrons
Elements in the periodic table are arranged
by increasing electron number
decreasing atomic number
by physical and chemical properties
alphabetically
Which properties are categorized correctly?
Chemical properties: reactivity, acidity, toxicity, flammability; Physical properties: color, volume, state of matter, mass, texture, density
Physical properties: reactivity, acidity, toxicity, flammability; Chemical properties: color, volume, state of matter, mass, texture, density
Physical properties: color, reactivity, acidity, mass, texture; Chemical properties: volume, state of matter, toxicity, flammability, density
Chemical properties: color, volume, state of matter, mass, texture, density; Physical properties: reactivity, acidity, toxicity, flammability
Which answer has chemical and physical changes categorized correctly?
chemical changes: cooking an egg, digesting a cheeseburger, iron rusting; physical changes: chopping wood, breaking glass, boiling water
chemical changes: chopping wood, boiling water, breaking glass; physical changes: cooking an egg, digesting a cheeseburger, iron rusting
chemical changes: boiling water, cooking an egg, breaking glass; physical changes: digesting a cheeseburger, chopping wood, iron rusting
chemical changes: breaking glass, chopping wood, boiling water; physical changes: cooking an egg, iron rusting, digesting a cheeseburger
What is the chemical formula for water?
CO2
C6H12O6
N2
O2
H2O
What is the chemical formula for carbon dioxide?
N2
H2O
O2
CO2
C6H12O6
What is the chemical formula for molecular oxygen?
CO2
O2
N2
H2O
C6H12O6
What is the chemical formula for methane?
H2O
N2
CO2
C6H12O6
CH4
What is the chemical formula for glucose?
O2
H2O
N2
CO2
C6H12O6
Substance A is considered to be (choose all that apply).
element
mixture
compound
molecule
Substance B is considered to be (choose all that apply).
molecule
mixture
element
compound
Why is this considered to be a chemical reaction?
because all of the substances are compounds
because there are 4 molecules
because it involves water
a new product is formed
Look at the table below and fill in the blanks with the correct answers. The density of water is 1 g/cm³. Substance ____ and ____ will both float in water but only substance ____ will dissolve.
A) W and X will float, W will dissolve
B) W and X will float, Y will dissolve
C) Y and Z will float, Y will dissolve
D) Y and Z will float, Z will dissolve
Refer to the table below. The density of water is 1 g/cm³. Which substances will sink in water, and which one of them is soluble?
A) W and X will sink, W is soluble
B) W and X will sink, X is soluble
C) Y and Z will sink, Y is soluble
D) Y and Z will sink, Z is soluble
This is an example of a physical change.
True
False
Element
Compound
Mixture of elements and compounds
Mixture of elements
The diagram represents a gaseous sample of matter in a sealed container. Each circle of a different shade represents a different type of atom. Which of the following best describes the particle diagram?
It represents three different compounds mixed together with one element.
It represents one compound mixed together with three different elements.
It represents four different elements, and no compounds are represented.
It represents a single compound composed of three elements.
Which of these samples shown best represents an mixture?
A
B
C
D
