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WorksheetsAhh! Chemistry!!!
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
How many protons are in one atom of potassium?
a)
9
b)
10
c)
19
d)
20
2.
How many neutrons are in one atom of calcium?
a)
10
b)
20
c)
40
d)
60
3.
How many electrons are in one neutral atom of lithium?
a)
3
b)
4
c)
6
d)
7
4.
What is the name of the group that includes lithium, sodium and potassium?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Halogens
d)
Noble Gases
5.
What is the name of the group that includes chlorine, bromine and iodine?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Transition Metals
d)
Halogens
6.
Which of the following are all non-metals?
a)
Hydrogen, sodium and iron
b)
Oxygen, nitrogen and chlorine
c)
Argon, neon and gold
d)
Calcium, potassium and cadmium
7.
According to the Bohr model, which element is this?
a)
Magnesium
b)
Vanadium
c)
Sodium
d)
Xenon
8.
Which element is this?
a)
Oxygen
b)
Sulfur
c)
Chromium
d)
Radon
9.
How many valence electrons are there on this atom?
a)
2
b)
6
c)
8
d)
10
10.
The rows going across the periodic table are also referred to as ____________.
a)
Periods
b)
Groups
c)
Horizons
d)
Teams
11.
Uranium belongs to which group of elements?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Halogens
d)
Actinides
12.
When two or more atoms bond together we call this a(n) ____________.
a)
Atomic mass
b)
Molecule
c)
Atomic number
d)
Atomic particle
13.
Which of the following would have 8 valence electrons?
a)
Hydrogen
b)
Beryllium
c)
Phosphorus
d)
Xenon
14.
How can I quickly tell the number of valence electrons on an atom?
a)
Row number
b)
Group number
c)
Atomic number
d)
Atomic mass
15.
How do I know how many orbitals an atoms has?
a)
By the row number
b)
By the group number
c)
By subtracting the atomic mass from the atomic number
d)
It is the same as the atomic number
16.
Which of the following is the correct chemical formula for a molecule that has one sodium, one hydrogen, one carbon and 3 oxygen atoms?
a)
3NaCOH
b)
NA3COH
c)
HOC3NA
d)
NaHCO3
17.
How many neutrons are there in one atom of chlorine?
a)
17
b)
18
c)
19
d)
20
18.
Who is generally credited with organizing the periodic table of elements?
a)
Buzz Aldrin
b)
Albert Einstein
c)
Marie Curie
d)
Dmitri Mendeleev
19.
Based on our Lewis Dot Diagrams, which of the following would chlorine be MOST likely to bond with?
a)
Sodium
b)
Chlorine
c)
Carbon
d)
Krypton
20.
The center section of the periodic table includes which group of elements?
a)
Alkali Metals
b)
Halogens
c)
Transition Metals
d)
Noble Gases
21.
If an atom has 4 protons, 4 electrons and 5 neutrons, that atom must be
a)
Beryllium
b)
Oxygen
c)
Aluminum
d)
Boron
22.
Which element would have 16 neutrons?
a)
Phosphorus
b)
Oxygen
c)
Germanium
d)
Chlorine
23.
Most of the elements on the periodic table are:
a)
Lanthanides
b)
Actinides
c)
Metals
d)
Non Metals
24.
Which of the following is an alkali earth metal that our bodies need to be healthy?
a)
Sodium
b)
Calcium
c)
Iron
d)
Potassium
25.
Which particle of an atom has a positive charge?
a)
Proton
b)
Electron
c)
Neutron
26.
Which particle of an atom has a negative charge?
a)
Proton
b)
Electron
c)
Neutron
27.
Neutrons have a neutral charge and are found in the ______ of an atom
a)
Orbital
b)
Outer Orbital
c)
Nucleus
28.
Which type of bond forms between a metal and a non metal
a)
Covalent
b)
Ionic
c)
Bondy Bond
d)
Bondo Bond
29.
Which type of bond forms between non metals?
a)
Covalent
b)
Ionic
c)
Bondy Bond
d)
James Bond
30.
Where are electrons found in an atom?
a)
In the nucleus
b)
In the orbitals around the nucleus
c)
Only on the very outside orbitals
d)
Electrons are not found in atoms
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