Font size
S
M
L
XL
WorksheetsPS Final Exam 17-18
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
The first periodic table as we know it was developed by
a)
Mendeleev
b)
Newlands
c)
Dobereiner
d)
Thomson
2.
The periodic table was rearranged by atomic number in 1911 by
a)
Mendeleev
b)
Moseley
c)
Thomson
d)
Rutherford
3.
Group 16 has __________ valence electrons.
a)
16
b)
6
c)
8
d)
2
4.
Group 17 has an oxidation number of
a)
1-
b)
1+
c)
2-
d)
2+
5.
The term atom came from ____________ who called his idea about atoms "atomos".
a)
Thomson
b)
Rutherford
c)
Democritus
d)
Moseley
6.
Rutherford proposed from his experiments that atoms have
a)
dense, negative nuclei
b)
dense, positive nuclei
c)
a sparse neutral nucleus
d)
a pudding-like nucleus with positive charge
7.
Thomson's model of the atom states that
a)
atoms consist of only negative charge
b)
atoms consist of only positive charge
c)
atoms consist of negative charge spread among a positive mass
d)
atoms are mostly empty space with electrons in orbits
8.
________ discovered the neutron in 1932.
a)
Chadwick
b)
Rutherford
c)
Thomson
d)
Bohr
9.
The atomic theory of matter was proposed in 1808 by
a)
Thomson
b)
Rutherford
c)
Chadwick
d)
Dalton
10.
Rutherford's experiment proved the existence of the
a)
nucleus.
b)
electron.
c)
neutron.
d)
electron cloud.
11.
In 1926, the modern model of the atom was created and named the
a)
plum pudding model.
b)
planetary model.
c)
electron cloud model.
d)
blueberry muffin model.
12.
Atoms are neutral because the number of protons equals the number of
a)
neutrons.
b)
electrons.
c)
quarks.
d)
ions.
13.
Nonmetals ________ electrons to become _______.
a)
gain, cations
b)
lose, cations
c)
gain, anions
d)
lose, anioins
14.
Metals ________ electrons to become _____________.
a)
lose, anions
b)
gain, anions
c)
lose, cations
d)
gain, cations
15.
Atoms become stable by
a)
losing electrons.
b)
gaining electrons.
c)
sharing electrons.
d)
losing, gaining and/or sharing electrons.
16.
At room temperature, most ionic compunds are _________.
a)
solids
b)
liquids
c)
gases
d)
invisible
17.
At room temperature, most covalent compunds are __________.
a)
solids and liquids.
b)
gases and solids.
c)
liquids and gases.
d)
gases only.
18.
Bohr's model of the atom places electrons in ________.
a)
clouds
b)
orbits
c)
groups of three
d)
plum pudding
19.
JJ Thomson used ____________ experiments to find the electrons.
a)
cathode ray tube
b)
gold foil
c)
oil drop
d)
mass spectrometer
20.
A number and sign written by a symbol to show the element's charge is called a(n) ____.
a)
subscript
b)
formula
c)
superscript
d)
coefficient
21.
ALL metals have _______ oxidation numbers.
a)
negative
b)
positive
c)
neutral
d)
changing
22.
ALL nonmetals have _________ oxidation numbers.
a)
positive
b)
neutral
c)
negative
d)
changing
23.
In a binary compound without a polyatomic ion, the ending of the second element is _____.
a)
-ide
b)
-ite
c)
-ate
d)
-ous
24.
Which of the following is a chemical reaction?
a)
bending steel
b)
evaporation of water
c)
melting butter
d)
formation of rust on iron
25.
If a substance is a solid, it has _____ next to it in a chemical equation.
a)
s or cr
b)
l
c)
aq
d)
g
26.
The term _______ means dissolved in water.
a)
crystalline
b)
aqueous
c)
liquified
d)
amorphous
27.
If an atom has one energy level, it is considered stable with _____ electrons. If it has more than one level, it requires ____ to be stable.
a)
8,2
b)
2,16
c)
8,12
d)
2,8
28.
Which of the following is characteristic of the modern electron cloud model?
a)
electrons in orbits
b)
electrons taking up very little of the atom's space
c)
nucleus is very small and dense
d)
atom has an overall positive charge
29.
Chemical symbols consist of
a)
only capital letters.
b)
only lowercase letters.
c)
capital letter followed by lowercase letters.
d)
capital letters with numbers in the upper corner.
30.
Numbers used to make sure a chemical reaction is balanced are called ________.
a)
subscripts
b)
superscripts
c)
oxidation numbers
d)
coefficients
31.
The ability of a metal to be hammered into thin sheets is called ____________.
a)
malleability.
b)
ductility.
c)
lusterous.
d)
hammerability.
32.
The word "atomos" means
a)
easily cut.
b)
easily broken.
c)
indivisible.
d)
indestructible.
33.
The ______ are the most reactive group of elements.
a)
alkaline earth metals
b)
alkali metals
c)
halogens
d)
transition metals
34.
The ability of a metal to be drawn out into wires is described by the word ____.
a)
malleable
b)
ductile
c)
luster
d)
wirebility
35.
Group 2 on the periodic table is referred to as the _______________.
a)
alkaline earth metals
b)
alkali metals
c)
transition metals
d)
rare-earth elements
36.
Group 17 on the periodic table is referred to the as the ______ family.
a)
oxygen
b)
carbon
c)
nitrogen
d)
halogen
37.
How many valence electrons are found in the halogen family?
a)
17
b)
7
c)
1
d)
3
38.
The process of a solid going directly to a gas is referred to as _________.
a)
vaporization
b)
sublimation
c)
condensation
d)
deposition
39.
The noble gases are found in group ____.
a)
17
b)
18
c)
16
d)
8
40.
Molecules that consist of two atoms of the same element are said to be __________.
a)
diatiomic
b)
unitomic
c)
biatomic
d)
unique
41.
The arrow in a chemical equation means __________.
a)
yields
b)
produces
c)
forms
d)
all of these
42.
The term "halogen" means
a)
gas maker.
b)
salt user.
c)
salt producer.
d)
bright light.
43.
Which of the following is NOT diatomic?
a)
helium
b)
hydrogen
c)
oxygen
d)
nitrogen
44.
Elements in groups 3-12 are referred to as the _________ metals.
a)
transition
b)
alkali
c)
alkaline earth
d)
rare-earth
45.
The shiny appearance of a metal is referred to as _____.
a)
malleable
b)
ductile
c)
luster
d)
oxidation
46.
Elements that touch the stair-step line of the periodic table are called _____________.
a)
transition metals
b)
metalloids
c)
lathanoids
d)
actinoids
47.
If a 3000 N force is applied to a wall, Newton's 3rd law says a ________ will be applied by the wall.
a)
3000 N
b)
-3000 N
c)
1500 N
d)
-1500 N
48.
Momentum is expressed by the equation
a)
v = d / t
b)
mv = p
c)
KE = 1/2 mv2
d)
ma = F
49.
Forces that are equal and opposite are said to be _____________.
a)
centripetal forces
b)
centrifugal forces
c)
action-reaction forces
d)
gravitational forces
50.
______ is a measure of the pull of gravity on an object's mass.
a)
Momentum
b)
Weight
c)
Centripetabl force
d)
Matter
51.
An idea, structure or system used to represent something you are trying to explain is called a _______________.
a)
model
b)
variable
c)
constant
d)
dependent variable
52.
The path of a projectile is always a ____.
a)
vertical line
b)
horizontal line
c)
curve called a parabola
d)
sine curve shape
53.
A joule is equal to
a)
N x m
b)
kg x m/s
c)
J / s
d)
J x m
54.
The force that causes falling objects to slow down is called _____.
a)
gravity
b)
air resistance
c)
momentum
d)
inertia
55.
A Newton is equal to a __________.
a)
J / s
b)
kg x m/s/s
c)
kg x m/s
d)
watt
56.
Newton's _________ law of motion is called the law of inertia.
a)
first
b)
second
c)
third
d)
fourth
57.
Mass is defined as the amount of ____ in an object.
a)
energy
b)
momentum
c)
matter
d)
force
58.
The units of force are
a)
A) Newtons (N)
b)
B) kg / m/s/s
c)
C) kg x m/s/s
d)
D) both A and B
59.
The value of "g" is ___________.
a)
9.81 m/s
b)
9.81 m/s/s
c)
-9.81 m/s
d)
-9.81 m/s/s
60.
Newton's 2nd law can be expressed by
a)
F = m/a
b)
F = ma
c)
F = 1/2 mv2
d)
F = mgh
61.
The statement to every action there is an equal and opposite reaction is Newton's _____ law.
a)
1st
b)
2nd
c)
3rd
d)
4th
62.
When you mix acid and water, you always place ___________ into ___________.
a)
water into acid
b)
acid into water
63.
An orderly, systematic approach to problem solving is called the _____.
a)
experiment
b)
conclusion
c)
dimensional analysis
d)
scientific method
64.
Newton's first law states that an object stays in motion or at rest unless a(n) _________ acts on it.
a)
balanced (net) force
b)
unbalanced (net) force
c)
equal force
d)
frictional force
65.
The shape of a liquid at its surface in a cylinder is called a(n) ____________.
a)
capillary
b)
mensiscus
c)
parabola
d)
ellipse
66.
The SI unit of energy is the
a)
calorie.
b)
Joule.
c)
Newton.
d)
Calorie.
67.
______ is the measure of the average kinetic energy of a substance.
a)
Specific heat
b)
Temperature
c)
Heat
d)
Potential energy
68.
Which of these is not scientific work?
a)
lifting a rock upward
b)
throwing a rock horizontally
c)
holding a rock
d)
kicking a rock vertically
69.
As the temperature of a substance increases, the average __________ of its particles also increases.
a)
potential energy
b)
kinetic energy
c)
thermal energy
d)
specific heat
70.
___________ is the application of science to improve human life quality.
a)
Theory
b)
Scientology
c)
Technology
d)
Theology
71.
__________are the units for power.
a)
Newtons
b)
Pascals
c)
Watts
d)
Joules
72.
Which picture shows a gas?
a)
A
b)
B
c)
C
d)
D
73.
Which of the following does NOT make a substance dissolve faster?
a)
stirring
b)
heating
c)
smaller volume of liquid
d)
using smaller chunks of the substance
74.
Alkali metals have ___ valence electrons.
a)
1
b)
2
c)
3
d)
4
75.
Noble gases rarely combine to make a compound because
a)
they are gases.
b)
they have metallic properties.
c)
they have filled outer electrons levels.
d)
they are too large to fit in compounds.
76.
Mass is measured in __________.
a)
grams
b)
meters
c)
liters
d)
pounds
77.
If solute settles to the bottom of a solvent in a solution even after being stirred, the solution is said to be ____________.
a)
saturated
b)
unsaturated
c)
supersaturated
d)
homogenous
78.
A + B --> AB
a)
Synthesis
b)
Decomposition
c)
Single Rplacement
d)
Combustion
79.
AB --> A + B
a)
combustion
b)
double replacement
c)
decomposition
d)
synthesis
80.
Which of the following is NOT a definitive piece of evidence for a chemical change?
a)
new substance forms
b)
heat is given off
c)
bubbles are formed in solution
d)
substance melts
81.
AB + CD --> AD + CB
a)
single replacement
b)
double replacement
c)
combustion
d)
decomposition
82.
Reactions that gives off heat is said to be ___.
a)
Endothermic
b)
Exothermic
83.
On the pH scale, numbers greater than 7 are said to be ____.
a)
neutral
b)
acidic
c)
basic
d)
aroneous
84.
A reaction that requires energy to be placed into it in order to work is said to be___.
a)
endothermic
b)
exothermic.
85.
When graphing information from an experiment, the dependent variable is placed on the ___ axis.
a)
X
b)
Y
c)
Z
d)
it doesn't matter
86.
a)
beaker
b)
flask
c)
graduated cylinder
d)
jar
87.
a)
clay triangle
b)
clay ring
c)
wire gauze
d)
ceramic triangle
88.
a)
crucible tongs
b)
beaker tongs
c)
flask tongs
d)
tweezers
89.
a)
evaporating dish
b)
watch glass
c)
crucible and cover
d)
beaker
90.
a)
florence flask
b)
erlenmyer flask
c)
graduated cylinder
d)
beacker
91.
a)
watch glass
b)
evaporating dish
c)
hot water bath
d)
crucible
92.
a)
test tuble rack
b)
test tube holder
c)
crucible tongs
d)
beaker tongs
93.
a)
scoopula
b)
spatula
c)
test tube cleaner
d)
spoon
94.
a)
spatula
b)
scoopula
c)
spoonula
d)
scooper
95.
a)
evaporating dish
b)
watch glass
c)
crucible
d)
beaker lid
96.
a)
triple beam balance
b)
Ohaus mass scale
c)
weight scale
d)
triple beam scale
97.
a)
test tube rack
b)
test tube holder
c)
test tube brush
d)
beaker rack
98.
a)
beaker brush
b)
cylinder brush
c)
toothbrush
d)
test tube brush
99.
a)
rubber wire
b)
rubber straps
c)
rubber tubing
d)
rubber rope
100.
All of these are properties of acids EXCEPT
a)
produces hydrogen ions in solution
b)
tastes slour
c)
feels slippery
d)
can burn a hole through a metal
Reset
