WorksheetsReview for Chemistry Test 1
Total questions: 51
Worksheet time: 26mins
Which of the following are matter?
butter
thoughts
light
energy
Which of the following are NOT matter?
thoughts
atoms
water
air
Matter is composed of extremely small particles called
cell
atoms
light rays
stars
What is true about matter?
it has mass, but does not take up space
it takes up space, but does not have mass
it has mass and takes up space
It doesn't have mass and doesn't take up space
What three particles make up an atom?
molecules, cells, and neutrons
symbols, formulas, and subscripts
nucleus, electron clouds, and dust
protons, neutrons, and electrons
Which two particles of an atom have about the same mass?
protons and electrons
neutrons and electrons
cells and molecules
protons and neutrons
What kind of charge do protons have?
no charge (neutral)
negative charge
positive charge
magnetic charge
What kind of charge do neutrons have?
no charge (neutral)
negative charge
positive charge
magnetic charge
Which atomic particle has a negative charge?
protons
electrons
neutrons
Where are protons found in an atom?
moving around in random patterns around the nucleus
in a tightly bound nucleus
Where are neutrons found in a nucleus?
moving in random patterns around the nucleus
in a tightly bound nucleus
Where are electrons found in a nucleus?
moving around in random patterns around the nucleus
in a tightly bound nucleus
Elements are
pure substances that cannot be changed into simpler substances
composed of many types of atoms
substances that can be changed into simpler substances
Elements are represented by
symbols
formulas
stick figures
abbreviations
Symbols are written with
crayons
one, two, or three letters
at least 5 letters
only one letter
The first letter in a symbol is always
lower case
capitalized
What is the symbol for Helium?
H
HE
Hel
He
What is the symbol for gold?
G
Go
Ag
Au
What is the symbol for hydrogen?
Hy
Hyg
H
He
What is the symbol for silicon?
S
Si
Sil
Na
What is the symbol for potassium?
K
P
Po
Pa
This drawing shows that this atom has
2 protons and 2 electrons
1 proton and 1 electron
1 proton and 1 neutron
2 protons and 1 electron
What is the symbol for oxygen?
OO
Ox
O
Oxy
Which of the following is NOT matter?
water
oxygen
batteries
dreams
The periodic table is a list of
elements
compounds
mixtures
famous scientists
What is true about symbols for elements?
They are always one letter
They consist of one, two, or three letters
The letters are always lowercase.
If it is two letters, both letters are always uppercase.
What is the symbol for sodium?
S
nA
na
Na
What is the symbol for chlorine?
C
Ch
CL
Cl
What is the atomic number for nitrogen?
14.007
7
14
15
What is the atomic mass of nitrogen?
14.007
7
13
15
How are elements arranged in the Periodic Table?
in order by atomic number
in order by atomic mass
alphabetically
in order by number of neutrons
What does APE stand for in chemistry?
atomic number = number of protons = number of electrons
atomic mass = number of protons =number of electrons
number of atoms = number of protons = number of electrons
How many protons does an atom of oxygen have?
15.999
8
16
15
How many electrons does an atom of oxygen have?
15.999
8
16
15
What is the atomic number for oxygen?
15.999
8
16
15
What do we call a horizontal row on the periodic table?
groups
families
columns
periods
What do we call vertical columns on the periodic table?
periods
mass numbers
rows
families or groups
What is true about elements in the same family?
They have very different properties.
They have the same number of electrons.
They have similar properties.
They have the same number of neutrons.
What property of metals means having a shiny surface or reflects light brightly?
luster
conductivity
malleable
ductile
Metals are good _____________ because heat and electricity move through them easily.
insulators
non-conductors
brittle elements
conductors
Metals have the ability to be hammered into different shapes. This means they are
lustrous
high density
malleable
ductile
What kind of density do metals have?
high
low
What kind of property do metals have that means they can be drawn into wires?
luster
conductivity
malleable
ductile
Nonmetals are dull.
True
False
Nonmetals break easily. This means they are
brittle
nonconductors
low density
conductors
Nonmetals have low density.
true
false
What do we call elements on the staircase (zig-zag line) that separates metals from nonmetals?
gases
alkali metals
transition metals
metalloids
What do we call elements that have properties of both metals and nonmetals?
alkali metals
transition metals
metalloids
radioactive
I have found a shiny material that can be hammered into different shapes and is a good conductor of electricity. Is it a metal or nonmetal?
metal
nonmetal
Dr. Roberts has discovered a new substance. The substance appears dull and when he accidentally dropped it, the substance shattered into many pieces. Has he discovered a metal or nonmetal?
metal
nonmetal
Deshawn is testing a material he found to determine how to classify it. He observes that the material is shiny and has a high-density but is very brittle and breaks easily. Is the material a metal, nonmetal or metalloid?
metal
nonmetal
metalloid
