WorksheetsUnit 7 Exam Review #1
Total questions: 35
Worksheet time: 40mins
Name
Class
Date
1.
What is the difference between Br and NaCl?
a)
One is a metal and the other is a nonmetal.
b)
One is an element and the other is a compound.
c)
One is a gas and the other a metal.
2.
Which of these elements is a metal?
a)
Silicon
b)
Boron
c)
Calcium
d)
Neon
3.
Which of these elements is not a metal?
a)
Lead
b)
Iron
c)
Magnesium
d)
Neon
4.
What is Boron's atomic number?
a)
5
b)
15
c)
79
d)
1
5.
What is Barium's atomic number?
a)
137
b)
56
c)
12
d)
5
6.
This element has 1 electron in its valence shell. The element only has 4 shells. What element is it?
a)
Carbon
b)
Potassium
c)
Rubidium
d)
Barium
7.
How many neutrons does Fluorine have?
a)
10
b)
9
c)
41
d)
18
8.
Using the periodic table, which element is located in period 4, group 7?
a)
Bromine
b)
Krypton
c)
Flerovium
d)
Titanium
9.
Protons have what kind of charge?
a)
Positive
b)
Negative
c)
No charge
10.
Electrons have what kind of charge?
a)
Positive
b)
Negative
c)
No charge
11.
Neutrons have what kind of charge?
a)
Positive
b)
Negative
c)
No charge
12.
This type of atomic model was created by
a)
Bohr
b)
Rutherford
c)
Dalton
d)
Thomson
13.
What is this kind of atomic model?
a)
Dalton
b)
Bohr
c)
Thomsen
d)
Modern electron cloud
14.
Who created this atomic model?
a)
Dalton
b)
Thomsen
c)
Bohr
d)
Rutherford
15.
What is this atomic model?
a)
Bohr
b)
Modern electron cloud
c)
Rutherford
d)
Dalton
16.
Which atomic model is this?
a)
Rutherford
b)
Dalton
c)
Thomson
d)
Modern electron cloud
17.
Who discovered the proton?
a)
Thomson
b)
Dalton
c)
Bohr
d)
Rutherford
18.
Place the following scientists in order, from earliest to latest:
Rutherford, Dalton, Bohr, Thomson
Rutherford, Dalton, Bohr, Thomson
a)
Dalton, Rutherford, Bohr, Thomson
b)
Thomson, Dalton, Rutherford, Bohr
c)
Dalton, Thomson, Rutherford, Bohr
d)
Bohr, Dalton, Rutherford, Thomson
19.
The first person to propose a theory about an atom called the Atomos Theory was
a)
Democritus
b)
Rutherford
c)
Dalton
d)
Aristotle
20.
This is a negatively charged particle found outside the nucleus
a)
Electron
b)
Proton
c)
Neutron
d)
Orbital
21.
Early ideas of matter being composed of earth, wind, water, and fire were proposed by
a)
Democritus
b)
Zeus
c)
Einstein
d)
Aristotle
22.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
23.
subatomic particles found on the outermost shell & responsible for the atom's reactivity
a)
neutrons
b)
valence electrons
c)
isotopes
d)
ions
24.
What is the atomic mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
25.
If an atom has 10 electrons, how many protons does it have?
a)
0
b)
1
c)
10
d)
5
26.
An element that is a very reactive gas is most likely a member of the...
a)
noble gases
b)
alkali metals
c)
halogens
d)
actinides
27.
The noble gases have ____ electrons in their outer energy levels.
a)
few
b)
about a half-complete set of
c)
an almost complete set of
d)
a complete set of
28.
Elements in a family or group in the periodic table often share similar properties because...
a)
they look alike.
b)
they are found in the same place on Earth.
c)
they have the same physical state
d)
their atoms have the same number of electrons in their outer energy level
29.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
30.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
31.
Semiconductors, or metalloids, can be described as...
a)
same as nonmetals
b)
bad conductors
c)
characteristics of metals and nonmetals
d)
same as metals
32.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
33.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Ductile
34.
Unlike non-metals, most metals tend to —
a)
conduct electricity and heat well.
b)
be gases at room temperature.
c)
break easily when hammered.
d)
have less luster and shine.
35.
Which of the following is a property of a non-metal?
a)
Conducts electricity and heats well
b)
Can be hammered into thin sheets
c)
Is brittle and breaks easily
d)
Has a shiny, metallic luster
100 %
