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Fall 2021 Chemistry Review - TEXAS

Total questions: 68

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Who developed the modern-day periodic table of elements?

a)
Darwin
b)
Shultz
c)
Hooke
d)
Mendeleev
2.

On the Periodic Table, each element increases by one _____.

a)

Electron

b)

Proton

c)

Neutron

d)

Letter

3.

A row across the Periodic Table where each element has the same number of energy shells is called a _____.

a)

Column

b)

Family

c)

Period

4.

In a group, the elements have similar properties because they all have the same number of _____.

a)

Protons

b)

Neutrons

c)

Valence Electrons

d)

Electrons

5.

What determines whether or not bonds form?

a)

Valence Electron Configurations

b)

Protons

c)

Atomic mass

d)

Chance

6.

The Law of Conservation of Matter says _____.

a)

Matter can be created, but not destroyed.

b)

Matter can be destroyed, but not created.

c)

Matter cannot be created or destroyed.

7.

When heat is added to matter, the molecules tend to _____.

a)

Move faster and farther apart.

b)

Slow down.

c)

Nothing, heat has no impact on the state of matter.

d)

Freeze.

8.

Which of the following results in a substance not transforming into a completely new substance?

a)

Physical change

b)

Physical property

c)

Chemical change

d)

Chemical property

9.

Which of the following is an example of a chemical property?

a)

The basketball is orange.

b)

The gasoline is flammable.

c)

The bike is made of metal.

d)

The slice of cheese is a solid.

10.

What is the main difference between a physical change and a chemical change?

a)

Physical changes alter the composition whereas chemical changes alter the appearance of a substance.

b)

Physical changes describe the appearance of a substance whereas chemical changes describe qualities only observed with a reaction.

c)

Physical changes describe qualities only observed with a reaction whereas chemical changes describe the appearance of a substance.

d)

Physical changes alter the appearance whereas chemical changes alter the composition of a substance.

11.

Which of the following statements is true regarding the atomic number of an element?

a)

The atomic number is the number of protons in an element.

b)

The atomic number is the number of electrons in an element.

c)

The atomic number is the number of neutrons in an element.

d)

The atomic number is the mass of the nucleus of an element.

12.

The horizontal rows on the Periodic Table are referred to as which of the following?

a)

Groups or Families

b)

Periods or Rows

c)

Columns or Rows

d)

Valence or Orbitals

13.

The vertical columns on the Periodic Table are referred to as which of the following?

a)

Groups or Families

b)

Periods or Rows

c)

Columns or Rows

d)

Valence or Orbitals

14.

What does the Periodic Table help scientists do?

a)

Identify the most common compounds found on Earth.

b)

Create mixtures of elements in order to make new elements.

c)

Make predictions about what kind of properties new elements might have.

d)

Determine how expensive each element is to mine from the Earth.

15.

Silicon (Si) is in period 3 on the Periodic Table. What does this tell you about this element?

a)

It is highly reactive with water.

b)

It has 3 valence electrons.

c)

It has 3 protons in its nucleus.

d)

It has 3 energy levels/shells in its electron cloud.

16.

Calcium (Ca) is in group 2 on the Periodic Table. What does this tell you about this element?

a)

It is not reactive with water.

b)

It has 2 valence electrons.

c)

It has 2 protons in its nucleus.

d)

It has 2 energy levels/shells in its electron cloud.

17.

Which of the following elements would have similar chemical properties to the element Oxygen (O)?

a)

Nitrogen (N)

b)

Chlorine (Cl)

c)

Neon (Ne)

d)

Sulfur (S)

18.

Which of the following elements would have the same number of energy levels/shells as the element Sodium (Na)?

a)

Magnesium (Mg)

b)

Lithium (Li)

c)

Potassium (K)

d)

Oxygen (O)

19.

The atomic number of an element is determined by which of the following?

a)

Number of electrons

b)

Number of neutrons

c)

Number of protons

d)

Number of protons and neutrons

20.

The nucleus of an atom contains which of the following subatomic particles?

a)

Electrons

b)

Protons

c)

Neutrons

21.

A student noticed a yellow, solid substance was formed when mixing two clear liquids during a lab. What term describes this yellow, solid substance?

a)

Physical change

b)

Physical property

c)

Endothermic and exothermic reaction

d)

Precipitate

22.

How many atoms of Carbon are in C9H8O4 ?

a)

1

b)

8

c)

12

d)

9

23.

How many elements are in 6NaOH ?

a)

4

b)

6

c)

3

d)

1

24.

Is Silicon a metal, nonmetal, or metalloid?

a)

Metal

b)

Nonmetal

c)

Metalliod

25.

What is the atomic number for Silicon (Si) ?

a)

10

b)

14

c)

16

d)

17

26.

What is the atomic mass for Silicon?

a)

2.468 amu

b)

9.604 amu

c)

28.086 amu

d)

14.006 amu

27.

What is the symbol of Copper?

a)

Cs

b)

Co

c)

Cr

d)

Cu

28.

How many protons does Copper (Cu) have?

a)

42

b)

29

c)

58

d)

25

29.

What is the Atomic Mass of Copper?

a)

63.546 amu

b)

51.996 amu

c)

15.999 amu

d)

12.011 amu

30.

Is Helium a metal, nonmetal, or metalloid?

a)

Metal

b)

Metalloid

c)

Nonmetal

31.

Is copper a metal, nonmetal, or metalliod?

a)

Metalliod

b)

Nonmetal

c)

Metal

32.

What is the Atomic number of Krypton (Kr)?

a)

35

b)

63

c)

36

d)

40

33.

Which element is in period 1 group 18?

a)

Helium

b)

Hydrogen

c)

Neon

d)

Lead

34.

Which element is in period 4 group 11?

a)

Mercuy

b)

Copper

c)

Silver

d)

Gold

35.

Which element is in period 3 and group 14?

a)

Silicon

b)

Helium

c)

Mercury

d)

Neon

36.

What is the atomic mass of Hydrogen?

a)

5.558 amu

b)

1.008 amu

c)

6.430 amu

d)

1.007 amu

37.

Which element is in period 4 group 18?

a)

Bromine

b)

Neon

c)

Krypton

d)

Argon

38.

Is Helium a metal, nonmetal or a metalliod?

a)

Nonmetal

b)

Metal

c)

Metalliod

39.

Color change, odor change, and bubbles are signs that a ________ might have occurred.

a)

Energy Change

b)

Physical Change

c)

Chemical Change

40.

Matter has characteristics that are classified as _____.

a)

Physical Properties

b)

Element

c)

Chemical Properties

d)

Compound

41.

Characteristics of matter that can be observed without changing the identity of the matter are _____.

a)

Chemical Properties

b)

Chemical Changes

c)

Physical Properties

d)

Physical Changes

42.

which of the following are examples of physical changes?

a)

Freezing

b)

Condensation

c)

Rusting

d)

Deposition

43.

What are characteristics of matter that can be observed only as it changes to a different kind of matter?

a)

Physical Properties

b)

Physical Changes

c)

Chemical Properties

d)

Chemical Changes

44.

Which of the following are examples of chemical changes?

a)

Rusting

b)

Melting

c)

Burning

d)

Floating

45.

What are changes in which the matter's identity stays the same?

a)

Physical Properties

b)

Physical Changes

c)

Chemical Properties

d)

Chemical Changes

46.

What are changes in matter that result in the formation of new substances?

a)

Physical properties

b)

Physical changes

c)

Chemical Properties

d)

Chemical Changes

47.

Which of the following are examples of physical properties?

a)

Melting point

b)

Freezing Point

c)

Ability to Burn

d)

Density

48.

Which is an example of a chemical property?

a)

Ability to burn

b)

Boiling point

c)

Melting point

d)

Dissolving

49.

Which two groups are highly reactive?

a)
Transition metals and Noble Gases 
b)
Alkaline Earth Metals and Nitrogen family 
c)
Alkali Metals and Halogens
d)
The Rare Earth metals and Oxygen family 
50.
What are the positively charged particles in an atom called? 
a)
Protons
b)
Neutrons
c)
Electrons
d)
Nucleus 
51.

True or false: Everything is made of atoms.

a)
True
b)
False
52.
What two molecules are located inside of the nucleus of an atom?
a)
Electrons and Neutrons
b)
Protons and Electrons 
c)
Protons and Neutrons 
53.
What kind of charge do electrons have?
a)
Positive
b)
Negative
c)
No charge
d)
Explosive
54.
Which type of element is shiny, ductile and malleable?
a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Play Dough

55.
These elements are dull, brittle, and poor conductors. 
a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Transformers

56.
These elements are called semiconductors.
a)

Metals 

b)

Nonmetals

c)

Metalloids

d)

The guy at the front of a train.

57.

Elements are organized visually on the _____.

a)

Periodic Table

b)

Skyline

c)

Lab table

d)

Bohr model

58.

Bubbles being produced, temperature change, and the formation of a new product all indicate a ____________ change has most likely occurred.

a)

Chemical

b)

Physical

c)

Potential

d)

Big

59.

Which is the proper way to write the element Sodium?

a)

S

b)

na

c)

Na

d)

NA

60.

What do we wear to protect our eyes in the lab?

a)

Lab Aprons

b)

Goggles

c)

Gloves

d)

Closed Toed Shoes

61.

If a chemical splashes in your eyes, you should immediately use the _____.

a)

Emergency Shower

b)

Chemical Spill Kit

c)

Emergency Eyewash Station

d)

Escape Route

62.

What do we wear to protect our hands in the lab?

a)

Lab Aprons

b)

Goggles

c)

Gloves

d)

Closed Toed Shoes

63.

If I accidentally break glass, we should immediately _____.

a)

Run away

b)

Tell the teacher

c)

Call your parents

d)

Clean it up

64.

When making elephant toothpaste, the hydrogen peroxide, dry yeast, warm water, dish soap, and food coloring are all known as _____.

a)

Products

b)

Reactants

c)

Observations

d)

Elements

65.

When making elephant toothpaste, the hydrogen peroxide, dry yeast, warm water, dish soap, and food coloring all combine to create elephant toothpaste, which would be known as the _____.

a)

Product

b)

Reactant

c)

Observation

d)

Element

66.

Vision noticed that Wanda had made 4 red cupcakes. What type of data is this?

a)

Qualitative

b)

Quantitative

c)

Both

67.

Hawkeye took inventory of his arrows and counted that he had 4 left after practicing. What type of data is this?

a)

Qualitative

b)

Quantitative

c)

Both

68.

Bruce Banner stubbed his toe and got angry, which turned him into the Hulk. Tony Stark immediately noticed the bright green color. What type of data is this?

a)

Qualitative

b)

Quantitative

c)

Both

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