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WorksheetsAtoms MEGA-TEST Review
Total questions: 60
Worksheet time: 2hrs 0mins
Which atomic particle has a positive charge?
Protons
Neutrons
Electrons
Which atomic particle has almost no mass?
Protons
Neutrons
Electrons
Which atomic particle has no charge?
Protons
Neutrons
Electrons
If an atom has an atomic mass of 101 and an atomic number of 44, how many neutrons would it have?
44
57
101
145
Which of the following correctly identifies the element and lists the number of particles?
Helium: 1 proton, 1 neutron, 1 electron
Hydrogen: 1 proton, 2 neutrons, 2 electrons
Helium: 2 protons, 2 neutrons, 2 electrons
Helium: 2 protons, 2 neutrons, 4 electrons
What is the total number of electrons in an atom with an atomic number of 13 and a mass number of 25?
12
13
25
38
Which letter in this model of Boron represents a neutron?
X
W
Y
Z
What is the charge of the nucleus of this atom?
positive
negative
neutral
Which two particles in this neutral atom are used to determine the mass?
W,Y
X,Y
Y,Z
X,Z
How many protons does this atom have?
2
4
5
11
How many valence electrons does this atom have?
2
3
4
5
What is the atomic mass of this atom?
14
7
6
28
What is the atomic mass for an atom that contains 28 electrons and 34 neutrons?
28
56
62
90
Most of the volume (amount of space) an atom takes up is occupied by what?
electrons
the nucleus
protons
empty space
Using the periodic table, determine the identity of this atom.
Helium
Beryllium
Chlorine
Argon
According to the periodic table, which other elements would have similar properties to this atom?
Flourine
Krypton
Oxygen
Hydrogen
According the periodic table, which element from this list would have the same number of energy levels?
Phosphorus
Neon
Krypton
Titanium
Which particle can always tell you the identity of an atom?
neutrons
electrons
protons
the nucleus
Which particle determines the element's reactivity?
neutrons
protons
electrons
valence electrons
Where are valence electrons located?
the nucleus
the energy level closest to the nucleus
the energy level furthest away from the nucleus
Which of these elements has the greatest reactivity?
silicon
sulfur
nitrogen
chlorine
How many neutrons are in an atom of silicon?
28
13
14
7
The table shows the number of protons in four different atoms. Which of these elements is a metal?
T
Q
X
Z
The table shows the number of protons in four different atoms. Which of the elements listed would have similar properties to Arsenic?
T
Q
Z
X
Elements in a group on the periodic table have similar characteristics in a chemical reaction. This similarity is most closely related to....
the number of energy levels
the atomic masses
the atomic numbers
the number of valence electrons
Based on the periodic table which of the following elements have the same number of energy levels as Carbon?
silicon
germanium
lithium
helium
Which group 14 element is a nonmetal?
carbon
slilicon
tin
lead
The elements in the same column of the periodic table...
have similar properties
are in the same period
have the same atomic number
have a different number of valence electrons
Which of the lists below are from the group containing the most reactive nonmetals?
F, Cl, Br
Li, Na, K
Ne, Ar, Xe
Be, Mg, Ba
Which of the following is an example of a property used to organize the periodic table?
density
shape
color
reactivity
How are elements arranged on the periodic table?
from right to left in order of increasing atomic number
alphabetically from left to right and bottom to top
from left to right in order of increasing atomic number
from top to bottom in order of decreasing atomic number
What is the number at the top of the square?
atomic mass
atomic number
how many neutrons it has
how many atoms are there
In what group would this element be found?
2
4
Halogens
Transition metals
Which elements would have similar properties to this atom?
magnesium
lithium
aluminum
calcium
Which group of metals is most reactive?
transition metals
alkali metals
alkaline earth metals
halogens
Which group of nonmetals is most reactive?
noble gases
alkali metals
lanthanides
halogens
Which group on the table could be described as a group of inert gases?
halogens
nonmetals
noble gases
actinides
What does inert mean?
highly reactive
not reactive at all
sometimes reactive
only reacts with metals
Which element has a valence electron configuration similar to that of bromine?
zinc
sulfur
flourine
krypton
Which of the following elements has the most protons?
cadmium
carbon
calcium
chromium
Why are the properties of sodium more like the properties of lithium than like the properties of magnesium?
sodium and lithium are lighter
sodium and lithium have nearly the same number of protons
sodium and lithium are in the same group, magnesium is in a different group
sodium and lithium are in the same period, magnesium is in a different period
Which element is least likely to chemically react with any other elements?
rubidium
zinc
selenium
krypton
Explain why He, Ne, Ar, and Kr are in the same group on the periodic table.
these elements have the same atomic number
elements in a column have different properties
these elements have similar chemical properties
these elements are all metals
This element is a transition metal. What location would you find other transition metals on the periodic table?
the left side of the periodic table
the right side of the periodic table
the middle of the periodic table
the bottom two rows of the periodic table.
In what period would you find this element?
2
3
4
1
Which of the following elements is most likely to react with an atom of Bromine?
F
K
Ca
O
Which of these is an accurate model of Carbon?
What is an ion?
an atom that has added neutrons
an atom that has taken away neutrons
an atom that has added electrons
an atom that has added protons
What is an isotope?
an atom that has added neutrons
an atom that has added protons
an atom that has added electrons
an atoms that has lost electrons
What is the charge of an isotope?
positive
negative
no charge
postive and negative
What is this?
an atom of flourine
an isotope of flourine
an ion of flourine
What is this?
an ion of oxygen
an isotope of oxygen
an atom of oxygen
What gives you life?
A=P=E M-A=N
A-P=E M=A=N
A=P-E M-A=N
A=P=E M/A=N
Which subatomic particles contribute to the mass of an atom?
electrons and protons
protons and electrons
protons and neutrons
neutrons and electrons
If an atom has 6 valence electrons, which groups would it find elements to bond with from the periodic table?
groups 6 and 16
groups 2 and 12
groups 1 and 8
groups 4 and 2
Will an atom of Carbon react with an atom of Silicon?
Yes, because they are in the same group
Yes, because they are in different periods
No, because they are in the same group
No, because they both need 2 more valence electrons
When you go from period 3 to period 4 on the periodic table...
the atomic radius increases
the atomic radius decreases
the atomic number decreases
the atomic mass decreases
As you move from right to left in this image, the atomic radius of these elements...
increases
decreases
stays the same
In which direction would you be moving along the periodic table for the nonmetals to become more active?
from left to right, group 18 being most reactive
from left to right, group 17 being most reactive
from right to left, group 1 being most reactive
from righ to left, group 2 being most reactive
Which of the following is correct?
protons are postive, neutrons are neutral, and electrons are negative
protons are positive, neutrons are negative, and electrons are neutral
protons are negative, neutrons are positive, and electrons are negatrive
protons are neutral, neutrons are negative, and electrons are positive
