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Chemistry Senior Final-2025-26

Total questions: 60

Worksheet time: 3570secs

Name
Class
Date
1.

Which of these combinations is an ionic compound?

a)

Metal and Metal

b)

Nonmetal and Nonmetal

c)

Metal and Nonmetal

d)

Cation and Cation

2.

A(an) __________ bond exists between two nonmetals.

a)

ionic

b)

covalent

3.

What type of reaction involves 2 substances combining to form 1 new compound?

a)

Decomposition Reaction

b)

Single Displacement Reaction

c)

Double Displacement Reaction

d)

Synthesis Reaction

4.

What are the reactants in the chemical equation pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

5.

What are the products of the chemical reaction pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

6.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
7.
Balance this equation
_Zn+_HCl-->_ZnCl2 +_H2
a)
1,1,2,1
b)
1,1,1,2
c)
1,2,1,1
d)
2,1,1,1
8.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction. 
9.
Number of H in 3(NH₄)₂CrO₄
a)
4
b)
6
c)
8
d)
24
10.
What is the molar mass of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
11.

Determine the number of moles of AlNO3 that are in 264 g of the compound.

a)

2.97 mol

b)

3.45 mol

c)

2.73 mol

d)

1.86 mol

12.

A baker needs 6 g of baking soda for a recipe. The chemical formula for baking soda is NaHCO3. How many moles of baking soda is needed?

a)

0.071 mol

b)

0.167 mol

c)

0.273 mol

d)

0.214 mol

13.

How many valence electron does Beryllium have?

a)

1

b)

2

c)

0

d)

4

14.

Which subatomic particle has NO CHARGE?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

15.

Which subatomic particle has a POSITIVE charge?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

16.

Which subatomic particle has a NEGATIVE charge?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

17.

Which subatomic particle tells you the identity of the Element?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

18.

Which Element has 21 protons?

a)

Carbon

b)

Zinc

c)

Titanium

d)

Scandium

19.

If an element has 11 protons and 12 Neutrons, what is it's atomic mass?

a)

12

b)

11

c)

23

d)

1

20.

What is the name for this group of elements?

a)

Alkali

b)

Halogens

c)

Noble Gases

d)

Alkali-Earth

21.

What are the yellow elements in the following picture?

a)

metals

b)

nonmetals

c)

metalloids

22.

Anything that has mass and takes up space.

a)

atom

b)

colloid

c)

compound

d)

matter

23.
This could be the dot diagram of
a)
Mg, group 2.
b)
Cl, group 17.
c)
C, group 14.
d)
O, group 16.
24.
Signs that a chemical change has occurred include
a)
a change in color
b)
the release of bubbles
c)
the production of an odor
d)
all of the above
25.
In a liquid, the molecules have a definite shape and a definite volume
a)
True 
b)
False
26.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
27.
Something that is made up of only one kind of atom is known as _________________.
a)
a molecule
b)
a compound
c)
an element
d)
a proton
28.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
29.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
30.
a)
This is an ionic bond with electrons shared
b)
This is an ionic bond with electrons transferred
c)
This is a covalent bond with electrons shared
d)
This is a covalent bond with electrons transferred
31.

The picture shows a piece of paper being cut in half with scissors. Which of the following statements is true of this process?

a)

It is a chemical change because the paper particles were broken and rearranged.

b)

It is a chemical change because the substance was changed to something new.

c)

It is a physical change because the substance remained the same.

d)

It is a physical change because the paper only changed its state of matter.

32.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
33.

Based on the image what color flame would you expect Na2SO4 to produce?

a)

Red

b)

Orange

c)

Yellow

d)

Light gray

34.

What is the name of the following polyatomic ion: OH1-

a)

Hydroxide

b)

Hydrogen oxide

c)

Holmium

d)

Oxihydride

35.

Which of these compounds will not dissolve at all in water?

a)

Al (s)

b)

SnF2 (s)

c)

Fe2(SO4)3(s)

d)

CaCl2(s)

36.

Which of these is the best description of a metal?

a)

soluble in water, conductive

b)

soluble in water, nonconductive

c)

insoluble in water, conductive

d)

insoluble in water, nonconductive

37.

Based on their chemical structures, which of these materials is likely to be soluble in water?

a)

C (s) (diamond)

b)

C20H42(s)

c)

Fe(s)

d)

Ba(NO3)2(s)

38.

In a ___________change, a substance changes into a different substance.

a)

Physical

b)

Chemical

39.

What is the type of reaction shown above?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

40.

According to HONC 1234 how many bonds should a nitrogen atom form?

a)

1

b)

2

c)

3

d)

4

41.

According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.

a)

2

b)

4

c)

6

d)

8

e)

10

42.

Carbon has how many valence electrons?

a)

2

b)

4

c)

6

d)

8

43.

Oxygen in the air that we breathe is a molecule of two oxygen atoms held together by a double bond (O2).

How many electrons are being shared between the two atoms?

a)

4

b)

8

c)

12

d)

16

44.
Based on the lewis dot structure seen here how many bonds would bromine usually form?
a)
1
b)
2
c)
3
d)
4
45.

Which of these compounds might smell similar to the following:

Formula: C4H8S

Name: 2-butene-1-thiol

a)

Dimethyl ether C2H6O

b)

2-Butanol C4H10O

c)

3-Methyl-1-butanethiol C5H12S

d)

Butene C4H8

46.
What is the definition of a Lone Pair of electrons?
a)
A pair of electrons that are shared in a covalent bond between two atoms.
b)
a pair of unshared valence electrons that are not involved in bonding in a molecule.
c)
All of the electrons found in the outer level of an atom
d)
All of the electrons found in the core of an atom.
47.

How many lone pairs of electrons are in the molecule pictured above?

a)

2

b)

3

c)

6

d)

8

48.

In a structural formula, a single line (single bond) between two elements represents:

a)

An unshared pair of electrons

b)

A shared pair of electrons

c)

A shared electron

d)

An octet of electrons

49.

When you have Br-Br, what is the polarity?

a)

Polar

b)

nonpolar

c)

Ionic

50.

Partial charges are present in which type of bond?

a)

Ionic

b)

Nonpolar Covalent

c)

Polar Covalent

d)

Both Polar Covalent and Ionic

51.

Is this molecule polar or non-polar? Select the best answer.

a)

Polar, because the molecule is asymmetrical

b)

Non-polar, because the molecule is asymmetrical

c)

Polar, because the molecule is symmetrical

d)

Non-polar, because the molecule is symmetrical

52.
Balance this equation:
 2Li + Cl2 -> LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li + Cl2 -> 2LiCl
53.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
54.

What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH-) ions?

a)

below 7

b)

7

c)

above 7

d)

0-14

55.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
56.
Soap is a weak base.  What is true about the taste of bases?
a)
they taste sour
b)
they taste sweet
c)
they taste bitter
d)
they taste salty
57.
When dissolved in water, bases produce:
a)
acids
b)
salts
c)
hydrogen ions
d)
hydroxide ions
58.
The pH of vinegar is 2.5.  Vinegar is a _____________.
a)
strong acid
b)
strong base
c)
weak base
d)
weak acid
59.
Which of the following is true about acids and bases?
a)
The lower the pH, the stronger the acid
b)
the higher the pH, the stronger the acid
c)
The lower the pH, the more neutral the acid
d)
The higher the pH, the weaker the base
60.
What is the pH of water?
a)
0
b)
4
c)
7
d)
14

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