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WorksheetsAtoms, Elements, Periodic Table
Total questions: 40
Worksheet time: 27mins
Name
Class
Date
1.
What does the atomic number tell us?
a)
number of protons
b)
number of neutrons
2.
Vertical columns in the periodic table are called _________ of elements and have similar properties.
a)
groups
b)
periods
3.
A one or two letter abbreviation used to represent an element is called a(n) ________
a)
chemical symbol
b)
element sign
4.
Particles in an atom's nucleus that are neutral and have no charge are
a)
megatrons.
b)
electrons.
c)
neutrons.
d)
protons.
5.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined
6.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
7.
What is the atomic symbol for sodium?
a)
Na
b)
So
c)
NaCl
d)
S
8.
A negatively charged particle that moves around the nucleus is a(n)
a)
proton
b)
neutron
c)
electron
d)
quark
9.
Most of the mass in an atom is concentrated in the
a)
electrons.
b)
nucleus.
c)
protons.
d)
empty space.
10.
What charge does a proton have?
a)
Negative
b)
Positive
c)
Neutral
d)
Visa
11.
The smallest piece of an element is known as a(n)
a)
Periodic Table
b)
Atom
c)
Group
d)
Period
12.
The periodic table has __ periods.
a)
18
b)
8
c)
2
d)
7
13.
The periodic table has __ groups.
a)
8
b)
7
c)
18
d)
2
14.
The horizontal rows on the periodic table are known as
a)
periods.
b)
atoms.
c)
groups or families.
d)
valence electrons.
15.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
16.
Which of the following is a halogen?
a)
Carbon
b)
Chlorine
c)
Cobalt
d)
Copper
17.
Group 18 elements are known as the _____ _____ and have full valence shells.
a)
royal gases.
b)
supreme solids.
c)
noble gases.
d)
legit liquids.
18.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
19.
Which of these alkali metals is the least reactive?
a)
Sodium
b)
Rubidium
c)
Potassium
d)
Lithium
20.
__________ have properties of both metals and nonmetals.
a)
Transition metals
b)
Lanthanides
c)
Metalloids
d)
Halogens
21.
A(n) _______ electron is _______ the nucleus.
a)
spinning, closest to
b)
valence, attached to
c)
valence, farthest from
d)
negative, inside
22.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
23.
Most of an atom's mass is found in the
a)
electrons.
b)
nucleus.
24.
An atom is made up of mostly
a)
protons.
b)
neutrons.
c)
empty space.
d)
electrons.
25.
Our ideas and understanding of the atom and its structure have stayed the same for thousands of years.
a)
True
b)
False
26.
The father of the modern periodic table is
a)
John Dalton
b)
Niels Bohr
c)
Democritus
d)
Dimitri Mendeleev
27.
All elements occur naturally on earth.
a)
False
b)
True
28.
The Lanthanides belong to
a)
Group 6
b)
Period 7
c)
Period 6
d)
Group 7
29.
Negatively charged particles that move quickly around an atom are
a)
electrons.
b)
protons.
c)
neutrons.
d)
leptons.
30.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
31.
Generally, as you move from left to right across the periodic table, elements become
a)
less stable.
b)
more stable.
32.
Which has the most protons?
a)
Hydrogen
b)
Iron
c)
Lead
d)
Mercury
33.
The element neon is a(n)
a)
alkaline earth metal.
b)
transition metal.
c)
noble gas.
d)
metalloid.
34.
The alkali metals and alkaline earth metals are very reactive because they _____ their valence electrons easily.
a)
lose
b)
add
c)
gain
d)
spin
35.
Large amounts of energy are released during nuclear
a)
fission.
b)
fusion.
c)
fraction.
d)
flaming.
36.
New, heavier elements are artificially created during a process known as nuclear
a)
fusion.
b)
fission.
c)
fraction.
d)
fracking.
37.
A neutral atom of the element sodium has 11 protons and ____ electrons.
a)
22
b)
23
c)
8
d)
11
38.
__________ , including Silicon and Germanium, are considered "semiconductors" and are used in making electronics.
a)
Rare earth metals
b)
Metalloids
c)
Transition metals
39.
The rare earth metals, such as the Lanthanides, are
a)
difficult to find.
b)
difficult to isolate.
c)
rare in China.
d)
ready and raring to go.
40.
Elements are only found on earth.
a)
True
b)
False
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