Name_______________________________
Date
Period
SG 4 Elements and Chemical Bonds 5 States of Matter
4.1 Electrons and Energy Levels
Directions: On the line before each definition, write the term that
matches it correctly. Each term is used only once.
Energy levels
Low-energy electrons
Neon
Valence electrons
Chemical bonds
166 points total
Directions: Use your textbook to answer each question.
Use the underlined words to write complete sentences. (4 points each sentence 36 points total)
1. How are elements organized on the periodic table?
Helium
Periodic table
Group
Atomic number
Hydrogen
2. What are the three main classifications of the elements?
___________
1. organized layout of elements
3. What is a chemical bond?
___________
2. elements with similar properties
4. What determines an element’s atomic number?
___________
3. number of protons
___________
4. locations of electrons
___________
5. innermost electrons
___________
6. unpaired dots in electron dot
5. Which electrons in an atom have the most energy, and which ones have the least?
6. Which electrons in an atom take part in chemical bonding, and what are they called?
diagram
___________
7. force holding atoms together in
7. What kind of diagram is used to show how many of these electrons an atom has?
compounds
___________
8. the smallest atom
___________
9. stable with two electrons
___________
10. stable with ten electrons
Page 1
Utah Core Curriculum Standard I Atoms
8. What name is given to elements with eight outer electrons?
9. Which element is a nobel gas, although it has only two electrons?
Objective 1 Describe the structure of matter in terms of atoms and molecules.
Davis School District Buffalo Book Chapter 4
Online Physical Science Bubble Book Chapter 11
Name_______________________________
Date
Period
Lesson 4.2 Compounds, Chemical Formulas, and Covalent Bonds
Directions: On the line before each statement, write correct if the statement is
correct or not correct if the statement is not correct. If the statement is not
correct, change the underlined word(s) to make it correct. (25 points this page)
___________
Directions: On each line, write the term that correctly completes each sentence.
1.
___________ is the chemical formula of carbon dioxide.
1. A compound is a substance that is
composed of two or more different kinds of
molecules.
2. One carbon dioxide molecule consists of ________ carbon
___________
2. Compounds are held together by chemical
bonds.
3. When nonmetals form compounds by joining with other nonmetals,
___________
3. CO2 is the structural formula of carbon
dioxide.
___________
4. When nonmetals combine with other
nonmetals, they usually form covalent bonds.
___________
5. A covalent bond is a chemical bond
formed when two or more atoms share one or
more pairs of valence electrons.
5. These compounds are usually ___________ or
6. A molecule is a group of atoms held
together by covalent bonding that acts as an
independent unit.
6. These compounds usually have low ___________ and
___________
7. Compounds formed with covalent bonds
usually have high melting and boiling points.
7. In addition, they are poor conductors of ___________.
___________
8. Compounds formed with covalent bonds
are good conductors of electricity.
8. A molecule that has a slight positive end and a slight negative end is
___________
___________
9. A polar molecule has a slight positive end
and a slight negative end because of the
unequal sharing of electrons.
___________
10. Water is an example of a polar molecule.
___________
11. Carbon dioxide is an example of a polar
molecule.
___________
Page 2
atom(s) and __________ oxygen atom(s).
they tend to establish ___________ bonds.
4. A(n) ___________ is a group of atoms held together by
covalent bonding that acts as an independent unit.
___________ at room temperature.
___________ points.
called a(n) ___________ molecule.
12. Atoms combine with chemical bonds to
make molecules.
Utah Core Curriculum Standard I Atoms
Objective 1 Describe the structure of matter in terms of atoms and molecules.
Davis School District Buffalo Book Chapter 4
Online Physical Science Bubble Book Chapter 11
Name_______________________________
Date
Period
Lesson 4-3 Ionic and Metallic Bonds
Ionic and Metallic Bonds
Key Concept What is an ionic compound?
Key Concept How do metallic bonds differ from covalent and ionic
bonds?
Directions: On each line, write the term from the word bank that correctly completes
each sentence. Each term is used only once.
atoms
elements
ionic
ions
metals
nonmetals
positive
sharing
table salt
1. The bonding of
negative
transfer
and
does not
involve the
of electrons.
2. Instead, this type of bonding is characterized by the ___________
of electrons.
26 points this page
Directions: On the line before each description, write C if it represents covalent
bonding,
I if it represents ionic bonding, and M if it represents metallic bonding.
1. pooled electrons
2. shared electron pairs
3. transferred electrons
4. between metal atoms
5. between metals and nonmetals
6. between nonmetals
3. When
join in this way,
their
7. forms molecules
8. electrons moving freely among atoms
become
.
9. electrically charged but stable atoms
4. The loss of one or more electrons results in a(n) ___________
10. single, double, or triple bonds
charge; the gain of one or more electrons results in a(n)
11. a “sea of electrons”
___________
12. table salt sodium chloride
charge.
13. water
5. One common
also known as
compound is NaCL,
.
14. carbon dioxide
15. brass bell
Page 3
Utah Core Curriculum Standard I Atoms
Objective 1 Describe the structure of matter in terms of atoms and molecules.
Davis School District Buffalo Book Chapter 4
Online Physical Science Bubble Book Chapter 11
Name_______________________________
Lesson 5-1 Solids, Liquids, and Gases
Date
Period
Fill in the missing information on the data table below: (24 points)
Directions: Write the term that matches it correctly. Each term is used only once.
___________
1. high-energy matter consisting of positively
and negatively charged particles.
___________
___________
2. the amount of matter in an object
37 points this page
3. the amount of space that a sample of
matter occupies
___________
___________
4. mass per unit volume
5. ways in which atoms, ions,
or molecules move
___________
6. movement in all directions
and at different speeds
___________
7. the way freely-moving
particles move
___________
8. the positively charged parts
of atoms
___________
9. the negatively charged
parts of atoms
___________
10. oppositely charged
density
electrons
gas
liquid
mass
particle forces
particle motion
plasma
protons
random motion
solid
straight lines
volume
particles attract each other
___________
11. The particle speed is slowest and
the attractive forces between particles
is strongest.
___________
State of Matter
Size (Volume)
Shape
Strength of
Attractive
Forces Between
Particles
Arrangement of
Particles
Speed of
Particle
Movement
Examples
12. The particle speed is slower than in
a gas and faster than in a solid.
___________
13.
The particle speed is the fastest and the
attractive forces between particles is the weakest
Page 4
Utah Core Curriculum Standard I Atoms
Objective 1 Describe the structure of matter in terms of atoms and molecules.
Davis School District Buffalo Book Chapter 4
Online Physical Science Bubble Book Chapter 11
Name_______________________________
Lesson 5-2 Changes
in State
16 points
Directions: Each of the sentences below is false. Make the sentence true by replacing the
underlined word(s) with a term from the list below. Write your changes on the lines provided.
condensation
sublimation
deposition
temperature
evaporation
thermal energy
kinetic energy
vaporization
Date
Period
Key Concept What happens to thermal energy when matter changes from one state to another?
Directions: On each line, write the term from the word bank that correctly
completes each sentence. Use the diagram to answer each question (and study).
condensation
freezing
melting
vaporization
1. The process of thermal energy is the opposite
of the process of evaporation.
2. The average kinetic energy of the
particles in a substance is measured by the
substance’s condensation.
3. It rained yesterday; however, due to
vaporization, the puddles are all gone today.
4. The gaseous state of a given substance has
greater deposition than the liquid or solid states
because the particles of the substance are
moving more in the gaseous state than in the
other states.
5. The process of thermal energy is the opposite
of the process of deposition.
6. Kinetic energy is different from temperature
because it includes the total potential energy and
kinetic energy of an object.
7. Temperature results in matter changing from
a gas directly to a solid, without going through
the liquid state.
1. If thermal energy is added to a liquid, the following change occurs:
2. If thermal energy is added to a solid, the following change occurs:
3. If thermal energy is removed from a liquid, the following change
occurs:
.
4. If thermal energy is removed from a gas, the following change occurs:
5. One of the pictures shows the balloon before it has been heated and
the other picture shows the balloon after it has been heated. Label each
and describe what happened to the molecules. (6 points total)
8. Evaporation and boiling result in sublimation
of a liquid
Page 5
Utah Core Curriculum Standard I Atoms
Objective 1 Describe the structure of matter in terms of atoms and molecules.
Davis School District Buffalo Book Chapter 4
Online Physical Science Bubble Book Chapter 11
Name_______________________________
Across
Date
4. center of the atom discovered by Rutherford, contains
protons and neutrons
5. small particle that is the building block of matter
6. amount of space taken up by matter, measured in mL or cm3
8. representation or working version created to understand
something that is too big, too small, or too complicated to
understand otherwise
9. matter that has an indefinite shape and a definite volume
13. theory idea that all matter is made of discrete units
called atoms
14. a measure of how tightly packed molecules are; mass per
unit volume of a substance
15. matter that has no definite volume and no definite shape
16. measure of the average kinetic energy of the
particles in a material
Period
16 points
Down
1. movement of substances from an
area of higher concentration to an
area of lower concentration
2. thermal energy that is
transferred from a warmer object
to a cooler object
3. small fragment of matter
7. two or more atoms that are held
by a covalent bonds and act as a
unit
10. anything that has mass and
takes up space
11. amount of matter in an object,
measured in grams
12. matter that has a definite
shape and a definite volume
Page 6
Utah Core Curriculum Standard I Atoms
Objective 1 Describe the structure of matter in terms of atoms and molecules.
Davis School District Buffalo Book Chapter 4
Online Physical Science Bubble Book Chapter 11