NEW
Font size
S
M
L
XL
Worksheets8.5 TEK Review
Total questions: 78
Worksheet time: 53mins
Name
Class
Date
1.
What subatomic particle carries no charge
a)
Neutrons
b)
Electrons
c)
Protons
2.
A particle that moves around the nucleus is a(n) .
a)
proton
b)
ion
c)
neutron
d)
electron
3.
The __________ contains the protons and neutrons of an atom, and is most of the mass of an atom
a)
Nucleus
b)
Atomic Number
c)
Atomic Mass
d)
Electrons
4.
All matter is made of what?
a)
energy
b)
atoms
c)
electrons
d)
compounds
5.
Which of the following is a negatively charged subatomic particle?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
6.
Protons are located in the nucleus of the atom.
A proton has _______________.
A proton has _______________.
a)
No charge
b)
A negative charge
c)
A positive and a negative charge
d)
A positive charge
7.
An electron is in a region outside the nucleus. An electron ____________.
a)
Is larger than a proton and has no charge
b)
Has less mass than a proton and has a negative charge
c)
Is smaller than a proton and has no charge
d)
Has a positive charge
8.
The atomic number of an atom is _____________________.
a)
The mass of the atom
b)
The number of protons added to the number of neutrons
c)
The number of protons
d)
Negatively charged
9.
The atomic mass of an element is equal to:
a)
# of protons
b)
# of neutrons
c)
# of electrons
d)
Total # of protons and neutrons.
10.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
None of these
11.
How many Electrons
a)
2.5
b)
5
c)
6
d)
10.81
12.
Which of these is the proton.
a)
A
b)
B
c)
C
d)
None
13.
Which of these is the electron?
a)
A
b)
B
c)
C
d)
D
14.
B and C are found in the ______ of an atom.
a)
Energy levels
b)
Space
c)
Nucleus
d)
Outside
15.
What part of the atom is the arrow pointing to?
a)
nucleus
b)
proton
c)
electron shell
d)
electron
16.
Matter is anything that ____________________.
a)
has mass
b)
takes up space
c)
has mass and takes up space
d)
has energy
17.
Subatomic particle with a positive charge.
a)
proton
b)
neutron
c)
electron
18.
What is the electrical charge of a proton?
a)
1+
b)
1-
c)
neutral
d)
2-
19.
The total number of protons and neutrons in an atom represent the __________________ of an atom.
a)
mass number
b)
atomic mass number
c)
isotopes
d)
electron cloud
20.
The proton number of an atom is equal to the _________________ of the atom.
a)
mass number
b)
atomic mass number
c)
atomic number
d)
neutron number
21.
A proton has approximately the same mass as a(n) _______________.
a)
straight pin
b)
quark
c)
electron
d)
neutron
22.
What subatomic particles are located in the electron cloud?
a)
quarks
b)
protons
c)
electrons
d)
neutrons
23.
What is the area in the atom around the nucleus called?
a)
electron cloud
b)
cytoplasm
c)
subatomic cloud
d)
cumulonimbus cloud
24.
What are the two main parts of the atom?
a)
nucleus and cytoplasm
b)
nucleus and electron cloud
c)
core and electron cloud
d)
protons and neutrons
25.
The three main subatomic particles are electrons, protons and ____________.
a)
photons
b)
neurons
c)
neutrons
d)
quarks
26.
What is the electrical charge of a proton?
a)
1+
b)
1-
c)
neutral
d)
2-
27.
Element or Compound?
H2O
H2O
a)
Element
b)
Compound
28.
Element or Compound?
H2SO4
H2SO4
a)
Element
b)
Compound
29.
Element or Compound?
Au
Au
a)
Element
b)
Compound
30.
Element or Compound?
Ru
Ru
a)
Element
b)
Compound
31.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
32.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
33.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
34.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
35.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
36.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
37.
Elements which are considered semiconductors are
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
38.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
39.
All the elements on the right side of the periodic table are called..
a)
Metals
b)
Metalloid
c)
Nonmetals
40.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
41.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
42.
The periodic table has __ periods.
a)
18
b)
8
c)
2
d)
7
43.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
44.
Group 18 elements are known as the _____ _____ and have full valence shells.
a)
royal gases.
b)
supreme solids.
c)
noble gases.
d)
legit liquids.
45.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
46.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
47.
Have characteristics of both metals and nonmetals, and are Described as being semi conductors.
a)
Metalloids
b)
Group
c)
Atom mass
d)
Energy level
48.
How many valance electrons are in group 2A?
a)
4
b)
6
c)
1
d)
2
49.
What is a valence electron?
a)
An electron in the highest occupied energy level of an atom
b)
An electron that has properties similar to a transition metal
c)
Electrons with high reactivity
d)
Noble gases
50.
How many valence electrons in Group IA?
a)
1
b)
4
c)
7
d)
3
51.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
52.
How do you find the number of valence electrons in an atom?
a)
use the atomic number
b)
mass - atomic number
c)
Use the Group Number
d)
Use the period number
53.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
54.
A chemical change is?
a)
a shoe lace cut in half
b)
doesn't change anything
c)
changes the look of an object
d)
change that results in the formation of new chemical substances
55.
The arrow symbol used in a chemical equation
a)
Yield sign
b)
Subscript
c)
Coefficient
d)
Chemical formula
56.
The small number that is written below the symbol and shows how many atoms of each element is present.
a)
Compound
b)
Molecule
c)
Coefficient
d)
Subscript
57.
The large number written in front of a chemical formula. It shows the number of molecules.
a)
Molecule
b)
Compound
c)
Coeffiecient
d)
Subscript
58.
How many Hydrogen atoms are in H2O?
a)
zero
b)
one
c)
two
d)
three
59.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
60.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
61.
Which of the following is NOT an element?
a)
H2O
b)
H2
c)
O2
d)
Au
62.
Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)
three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
63.
How many elements are in H2O?
a)
1
b)
2
c)
3
d)
4
64.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
65.
Black = Carbon (C)
White = Hydrogen (H)
What would be the formula for ethane?
White = Hydrogen (H)
What would be the formula for ethane?
a)
CH4
b)
CH6
c)
C2H2
d)
C2H6
66.
Is the following equation balanced or unbalanced?
Fe + S --> FeS
Fe + S --> FeS
a)
balanced
b)
unbalanced
67.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
68.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
69.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
70.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
71.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
72.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
73.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
74.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
75.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
76.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
77.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
78.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
Reset
