WorksheetsTest Review-Chemistry
Total questions: 55
Worksheet time: 42mins
Name
Class
Date
1.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
2.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
3.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
4.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
5.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
6.
The elements along the zig zag line are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
7.
Atoms with similar properties are most likely located...
a)
in the same period.
b)
in the same group.
c)
in different periods.
d)
to the right and left of each other.
8.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
9.
What type of elements are shown in the shaded region?
a)
Metals
b)
Nonmetals
c)
Metalloids
10.
What type of elements are shown in the shaded region?
a)
Metals
b)
Nonmetals
c)
Metalloids
11.
Which is an electron?
a)
A
b)
B
c)
C
12.
H2O is an example of a...
a)
Element
b)
Compound
c)
Water
d)
Liquid
13.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
14.
_______ are the ROWS on the periodic table.
a)
Families
b)
Groups
c)
Periods
d)
Elements
15.
Pure forms of these elements are stored in oil so they won't react with oxygen and water in the air.
a)
Alkali Metals
b)
Alkaline-earth metals
c)
Halogens
d)
Noble Gases
16.
How did Mendeleev arrange the elements?
a)
alphabetical
b)
density
c)
melting point
d)
atomic mass
17.
An example of matter made of only one element is
a)
water
b)
gold bar
c)
light bulb
d)
salad mixture
18.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
19.
which is an example of an element
a)
CaCl
b)
FeO
c)
N
d)
NaCl
20.
Allani and Jaela were discussing the definition of a molecule, which answer is the correct choice
a)
anything that has mass and takes up space
b)
substance made of two or more elements chemically combined
c)
a particle that has a positive charge
d)
two or more atoms held together by chemical bonds
21.
Which of these is a rule for writing element symbols?
a)
First letter is always capitalized
b)
Second letter is capitalized
c)
In cursive
d)
1-5 letters
22.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
23.
Is making salt water to gargle with a physical or chemical change?
a)
physical
b)
chemical
24.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
25.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
26.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
27.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
28.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
29.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
30.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
31.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
32.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
33.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
34.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
35.
In which of these do particles move slowest?
a)
matter
b)
gas
c)
liquid
d)
solid
36.
Are mixtures able to be separated?
a)
Yes
b)
No way, Jose
37.
Melting point
a)
Physical property
b)
Chemical property
38.
Reacts with water to form a gas
a)
Physical property
b)
Chemical property
39.
Reacts with a base to form water
a)
Physical property
b)
Chemical property
40.
Reacts with acid to form hydrogen
a)
Physical property
b)
Chemical property
41.
Solubility
a)
Physical property
b)
Chemical property
42.
Boiling point
a)
Physical property
b)
Chemical property
43.
Flammability
a)
Physical property
b)
Chemical property
44.
Hardness
a)
Physical property
b)
Chemical property
45.
Luster
a)
Physical property
b)
Chemical property
46.
Odor
a)
Physical property
b)
Chemical property
47.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
48.
Is frying an egg a physical or chemical change?
a)
chemical
b)
physical
49.
All matter is made of tiny building blocks called
a)
Legos
b)
atoms
c)
wood
d)
volume
50.
Which of the following things has matter?
a)
basketball
b)
the sun
c)
you
d)
all of the above
51.
When you burn toast, the results are a
a)
Chemical change
b)
Physical change
52.
Anything that has mass and takes up space is called
a)
stuff
b)
forrce
c)
gravity
d)
matter
53.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
54.
In what section would Transition Metals be found?
a)
orange
b)
light blue
c)
blue
d)
white
55.
In what section would the Nobel gas family be found?
a)
orange, in the middle
b)
Red, Last Column to the right.
c)
blue, below the zig zag line
d)
white, above the zig zag line
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