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WorksheetsAtoms/Periodic Table
Total questions: 35
Worksheet time: 22mins
Name
Class
Date
1.
A(n) ____________ is the smallest piece of an element that still represents that element.
a)
molecule
b)
atom
c)
matter
d)
proton
2.
An atom is made up of ____________________.
a)
molecules, nucleus, and matter
b)
protons, neutrons, and electrons
c)
particles, compounds, and energy levels
3.
Atoms can be seen with the naked eye.
a)
True
b)
False
4.
The small area in the center of an atom where most of the atom's mass is concentrated.
a)
neutron
b)
proton
c)
electron
d)
nucleus
5.
An atomic particle that has one positive charge.
a)
neutron
b)
proton
c)
electron
d)
nucleus
6.
An atomic particle that has one negative charge.
a)
neutron
b)
proton
c)
electron
d)
nucleus
7.
A neutral atomic particle that is located in the atom's nucleus.
a)
neutron
b)
proton
c)
electron
d)
nucleus
8.
The number of protons in an atom of an element.
a)
atomic number
b)
atomic mass
9.
Something that is made up of only one kind of atom is known as _________________.
a)
a molecule
b)
a compound
c)
an element
d)
a proton
10.
Protons and neutrons are located in an atoms __________________.
a)
nucleus
b)
electron shell
c)
cell
d)
house
11.
Electrons are located in _____________
a)
a neutron
b)
a proton
c)
the nucleus of an atom
d)
a cloud orbiting the nucleus of an atom
12.
An element's atomic mass is made up of ____________.
a)
the total number of protons, neutrons and electrons in an atom
b)
the total number of protons and neutrons in an atomic nucleus
c)
the total number of electrons in the electron shell of an atom
d)
the total number of protons in an atom
13.
In a neutral atom, the number of ____________ is equal to the number of protons.
a)
neutrons
b)
electrons
c)
particles
d)
electron shells
14.
Atoms of the same element that have different numbers of neutrons.
a)
cation
b)
anion
c)
isotope
15.
An atom that has fewer electrons than protons, making the atom positively charged.
a)
cation
b)
anion
c)
isotope
16.
An atom that has more electrons than protons, making the atom negatively charged.
a)
cation
b)
anion
c)
isotope
17.
A chart of the elements arranged into rows (horizontal) and columns (vertical) according to their physical and chemical properties is called a(n) __________________.
a)
periodic table
b)
electron chart
c)
atomic chart
d)
element table
18.
What determines where an element is located on the periodic table?
a)
its atomic mass
b)
its atomic number
c)
its number of electrons
d)
they're arranged alphabeticaly
19.
A "group" is a ____________ on the periodic table.
a)
column
b)
row
20.
A "period" is a ____________ on the periodic table.
a)
column
b)
row
21.
Elements on the periodic table that are usually shiny, easily hammered into thin sheets or pulled into wires, and are good conductors of electricity are called _____________.
a)
metals
b)
nonmetals
c)
metalloids
d)
transition elements
22.
Elements on the periodic table that have higher melting points, greater strength, and higher density than alkali and alkaline metals, and react quickly with oxygen are called _____________.
a)
metals
b)
nonmetals
c)
metalloids
d)
transition elements
23.
Elements on the periodic table that are often gases at room temperature, are poor conductors of electricity, and are good insulators are called _____________.
a)
metals
b)
nonmetals
c)
metalloids
d)
transition elements
24.
Elements on the periodic table that have physical and chemical properties of both metals and nonmetals are called _____________.
a)
metals
b)
nonmetals
c)
metalloids
d)
transition elements
25.
Elements on the periodic table that can react with metal and form salt are called _____________.
a)
halogens
b)
nonmetals
c)
metalloids
d)
transition elements
26.
Helium, neon, argon, krypton, xenon, and radon are known as _____________.
a)
halogens
b)
noble gases
c)
metalloids
d)
transition elements
27.
The three main regions on the periodic table are ____________.
a)
solid, liquid, gas
b)
metals, nonmetals, meatlloids
c)
radioactive, man-made, poisonous
28.
Areas of space in which electrons move around the nucleus are called ____________.
a)
proton rings
b)
rainbows
c)
energy levels
d)
neutron clouds
29.
Electrons closest to the nucleus have the ____________ amount of energy.
a)
least
b)
greatest
30.
Electrons farthest to the nucleus have the ____________ amount of energy.
a)
least
b)
greatest
31.
An outermost electron of an atom that participates in chemical bonding is called a(n)____________. They have the most energy of all electrons in an atom.
a)
valence electron
b)
head electron
c)
available electron
d)
master electron
32.
The first electron shell (energy level, electron ring) can hold up to _____ electrons.
a)
2
b)
8
c)
18
d)
32
33.
The second electron shell (energy level, electron ring) can hold up to _____ electrons.
a)
2
b)
8
c)
18
d)
32
34.
The third electron shell (energy level, electron ring) can hold up to _____ electrons.
a)
2
b)
8
c)
18
d)
32
35.
The fourth electron shell (energy level, electron ring) can hold up to _____ electrons.
a)
2
b)
8
c)
18
d)
32
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