WorksheetsUnit 1 Matter Summative Review
Total questions: 130
Worksheet time: 2hrs 5mins
The ice cube melted.
The picture above shows several different compound models. What is true of compounds?
Compounds are made of only one chemical element.
Compounds are made of two or more different chemical elements.
Compounds always contain at least hydrogen.
Compounds must have at least three atoms that are chemically bonded.
Trish brought trail mix to a party and Tim brought Soda. Which of the following statements is true about each item.
They both brought mixtures but only Tim brought a solution.
They both brought solutions but only Trish brought a mixture.
They both brought mixtures but only Trish brought a solution.
They both brought solutions but only Tim brought a mixture.
N (Nitrogen) is an example of a(n)
compound
element
mixture
photon
OH is an example of a(n)
compound
element
mixture
photon
Which is an example of a compound
NO
Fe
Mg
C
A substance that is made of only one type of atom is called a(n)
compound
element
mixture
solution
Two or more different types of atoms that are chemically combined in a fixed amount.
compound
element
mixture
photon
( Ca + Cl2 --> CaCl2 ) The ______________ Calcium combines with the ______________ Chlorine to form the ______________ Calcium Chloride.
compound; compound; element
element; compound; compound
element; compound; element
element; element; compound
A chemical combination of two or more different atoms is called
element
transmutation
mixture
compound
Caffeine is a combination of eight carbon atoms that are bonded with ten hydrogen, four nitrogen and two oxygen. What is the best description of this combination?
solution
mixture
compound
element
How do you know if a solid dissolves when you place it in water?
It begins to bubble.
It sinks to the bottom.
It becomes cloudy
It will disappear
Which is true about elements in a compound?
The properties of the compound and the properties of the elements are the same.
The compound shares properties with only one element, but the properties of all remaining elements will differ.
The elements all share the same properties but their properties differ from the compound's properties.
The properties of a compound are different that the properties of its elements.
Hydrogen (H) is
a pure substance
a mixture
a compound
a solution
What is true about compounds and mixtures?
Compounds contain different substances that are chemically combined with each other.
Mixtures contain different substances that are chemically combined with each other.
Compounds and mixtures are both made of two or more different substances or atoms.
Compounds contain different substances that are physically combined only.
Group A: Water, Table Salt, Oxygen, Carbon Dioxide
Group B: Salt Water, Air, Milk, Blood
Which of the following best describes the groups?
Group A are mixtures; Group B are solutions
Group A are elements; Group B are mixtures
Group A are pure substances; Group B are mixtures
Group A are compounds; Group B are pure substances
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
This is a....
Pure Substance of elements
Mixture
Pure substance of compounds
Physical properties....
change the matter when studied
can be observed and measured without changing the matter being studied
include the ability to burn and rust
are useless unless studied in a lab
Choose the one that is a chemical property
Magnetism
Size
Color
Reactivity with water
Choose the 3 that are physical properties of aluminum foil
Malleable
Luster
Oxidation
High melting point
A sample is a good conductor of electricity. Burning the sample produces a gold flame. What is the identity of the sample?
Zinc
Tin
Iron
Which of the following is observed here?
A physical change because you have the same types of atoms
A physical change because you are just breaking the atoms up
A chemical change because you are forming a new substance
A chemical change because atoms are involved
A physical change occurs when
the identity of a substance changes but the appearance does not.
neither the appearance of a substance nor its identity changes.
both the appearance of a substance and its identity changes.
the appearance of a substance changes but its identity does not.
If the chemical properties of a substance remain unchanged & the appearance or shape of an substance changes it is a...
Chemical Change
Physical Change
Both a physical and chemical change.
Neither a physical or chemical change.
When a new substance is formed with different properties than the original substance it is called a...
Chemical change
Physical change
Change in State
Change in appearance only.
A chemical reaction occurs that involves 1 atom of Carbon, 4 atoms of Hydrogen, and 4 atoms of oxygen. After the reaction, how many atoms of each element will there be?
1 carbon, 4 hydrogen, 4 oxygen
4 carbon, 4 hydrogen, 4 oxygen
4 carbon, 1 hydrogen, 4 oxygen
4 carbon, 4 hydrogen, 1 oxygen
Why does this picture demonstrate the Law of Conservation of Mass?
the number of atoms of each element are the same on both sides
they start out separate and end up combined
the same elements are used
it doesn't demonstrate the Law of Conservation of Mass
Which model represents gas?
A
B
C
When a substance melts, the thermal energy _____________.
decreases
stays the same
increases
decreases then increases
The positive particle in an atom.
proton
neutron
electron
electron cloud
How many protons does Nitrogen have?
7
8
14
14.01
Which of the labeled structures is a neutron?
a
b
c
The negative particle in an atom.
proton
neutron
electron
What is the mass number of this element?
7
8
14
14.01
Which of the labeled structures is an electron?
a
b
c
If an element has an atomic number of 11 and a mass number of 23, how many neutrons does it have?
11
12
23
34
The neutral particle in an atom.
proton
neutron
electron
Which of the following particles is NOT found in an atom's nucleus?
proton
neutron
electron
An element has 17 protons and 18 neutrons in the nucleus. What is the element's mass number?
17
18
1
35
Which of the labeled structures is a proton?
a
b
c
What is the chemical symbol of this element?
79
Au
AU
gold
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
The letter, C, is a ... of carbon.
Name
Nickname
Chemical Symbol
Pseudonym
Name this group: These metals are the most reactive.
I am a metal
I am in group 2
I am in period 6
I am…
Mo
Re
S
Ba
I am a nonmetal
I am in period 2
I am in group 16/6A
Ba
Si
Ba
O
Find an element with similar chemical properties to Barium (Ba).
Ca an Ra, because they are in the same group and have similar chemical properties.
Cs and La, b/c they are in the same period number.
Ca and Y, b/c they are 90 degree angle and have similiar properties.
A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...
250 grams
380 grams
375 grams
400 grams
What do we call the chemicals that result from a chemical reaction?
reactants
products
subscripts
coefficients
According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?
The wood disappears.
It stays the same chemically.
The atoms in the wood and oxygen rearrange and form smoke and ash.
Nothing.
________ are the starting substances in a chemical equation.
Reactants
Producer
Reaction
Products
What are the reactants in the following chemical equation?
CH4 and 2O2
CO2 and 2H2O
What are the products in the following chemical equation?
CH4 and 2O2
CO2 and 2H2O
How many hydrogen atoms are on both sides of the equation?
2
4
1
How many oxygen atoms are on both sides of the equation?
2
4
1
Is the following equation balanced?
Al + O2 ---> 2Al2O3
YES
NO
