Download 2nd Semester Review

Physical Properties Unit Review
Name________________________Per___
1. Complete the following table for the physical properties of a quarter.
PHYSICAL PROPERTY
QUARTER
PHYSICAL PROPERTY
QUARTER
Color
State
Luster
Magnetic
Malleable
Conductive
2. What is the density of an object with a mass of 5 g and a volume of 2 cm3?
3. Which of the following will float in a liquid with a density of 1.5 g/cm3?
A. 1.6 g/cm3
B. 3.6 g/cm3
C. 1.2 g/cm3
4. Complete the following chart for the states of matter.
STATE OF
SHAPE
VOLUME
MATTER
(definite or not)
(definite or not)
Solid
EXAMPLES
DRAWING OF
PARTICLES
Liquid
Gas
6. What causes a substance to change from one state to another?_______________________________
7. Write physical or chemical change for each of the following:
Water evaporating
burning toast
Fireworks exploding
ice melting
nail rusting
Ripping paper
8. Write element, compound or mixture below each of the following diagrams.
Compound Unit Review
1. Complete the following table:
COMPOUND
LIST OF ELEMENTS IN THE
COMPOUND
# OF EACH
ELEMENT
H2SO4
NaCl
Fe2(SO4)3
2. Chemical bonds occur when electrons are _____________________ or ________________________.
3. The combining ability of an atom is called the ______________________________number.
4. Describe each bond and draw a diagram to show what is happening with the valence electrons.
COVALENT
IONIC
Element Unit Review
1. Write the chemical symbol for each of the following:
_____ hydrogen
_____potassium
_____ carbon
_____ oxygen
_____ magnesium
_____sodium
2. Use the Periodic Table to complete the following chart:
Element
Atomic Number
Atomic Mass
Protons
Oxygen
Sodium
Fluorine
_____ lithium
_____chlorine
Electrons
Neutrons
Metal or Nonmetal
3. Complete the following table:
ATOMIC PARTICLE
LOCATION
CHARGE
MASS
(in nucleus or outside nucleus)
(positive, negative or neutral)
(1 amu or very little mass)
Proton
Neutron
Electron
4. Circle the correct atomic particle for each of the following:
Defines an atom
Protons
Neutrons
Electrons
Isotopes: same type of atom with different number of
Protons
Neutrons
Determines how atoms combine Protons
Neutrons
Electrons
Ions: same type of atom with different number of
Protons
Neutrons
Electrons
Electrons
5. According to current atomic theory, what is the best description for the location of the electrons?
A. Orbiting in perfect rings around the nucleus
B. A cloud around the nucleus showing where an electron is likely to be
6. Complete the following table:
Element
Group or Column #
Period or Row #
# of Energy Levels
# of Valence Electrons
Magnesium
Carbon
Chlorine
7. Which group has the most stable arrangement of electrons in the outer energy level?__________________________
8. Which group name means “salt makers”? ____________________________________________________________
Reactions Unit Review
1. Complete the table below for each reaction:
REACTION
REACTANTS
PRODUCTS
TYPE OF RXN
Mg + O2  MgO
KBr + Cl2 KCl + Br2
HCl + NaOH  H2O + NaCl
H2O2  H2O + O2
2.
What is the relationship between the Law of Conservation of Mass and chemical reactions?
BALANCED?
3.
If a reaction has 17 g of reactants, how many grams of combined products will the reaction have?_____________
4.
What is the difference between exothermic reactions and endothermic reactions?
5.
What factors make a reaction go faster?