WorksheetsTrends of the Periodic Table Unit 3
Total questions: 40
Worksheet time: 45mins
Name
Class
Date
1.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
2.
Choose the particle that has no charge.
a)
nucleus
b)
neutron
c)
proton
d)
electron
3.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
4.
An electron has a _____ charge.
a)
negative
b)
positive
c)
neutral
5.
What are valence electrons?
a)
electrons on the first orbital always
b)
nucleus
c)
the outermost shell
d)
the number of electrons on the outermost orbital
6.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
7.
The subatomic particle that determines the identity of an element.
a)
neutron
b)
proton
c)
electron
d)
outer shell
8.
Elements on the periodic table increase by...
a)
atomic mass
b)
size
c)
mass number
d)
atomic #
9.
An atom has 13 protons, 15 neutrons and ___ electrons what is its mass number?
a)
13
b)
26
c)
28
d)
15
10.
Barium atoms want to form...
a)
an anion
b)
a cation
c)
an onion
d)
a cuddly kitten friend
11.
An Arsenic atom wants to form...
a)
An anion
b)
A cation
c)
An onion
d)
A cuddly kitten friend
12.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
13.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
14.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
15.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
16.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
17.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
18.
As you move down the periodic table atoms get bigger. This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
19.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
20.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
21.
The atom with the largest atomic radius in Group 18 is -
a)
Ar
b)
He
c)
Kr
d)
Rn
22.
Which statement correctly and completely identifies a trend?
a)
Atomic radius decreases across a period and increases down a group.
b)
Electronegativity decreases across a period and decreases down a group.
c)
Ionization energy increases across a period and increases down a group.
d)
Ionic radius increases across a period and increases down a group.
23.
Vertical columns of elements (families) on the periodic table with similar properties
a)
groups
b)
periods
c)
quadrants
d)
rows
24.
According to the Periodic Table of the Elements, which set of elements has similar properties?
a)
H, C, I
b)
He, H, Al
c)
He, Ne, Ar
d)
Na, Ca, Al
25.
Which group of the periodic table is composed of inert (not reactive) gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
26.
Phosphorus is located in which period?
a)
15
b)
3
c)
2
d)
14
27.
Elements in the same vertical columns are called
a)
groups/families
b)
periods
28.
Name the family that is made of the most reactive metals
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Transition Metals
29.
Name the group that is extremely reactive in water
a)
Alkali Metals
b)
Alkaline Earth Metals
c)
Transition Metals
d)
Halogens
30.
Name the group that has all of their valence electrons
a)
Halogens
b)
Noble Gases
c)
Transition Metals
d)
Alkaline Earth Metals
31.
Elements in same horizontal row are called
a)
groups/families
b)
periods
32.
How does the atomic radius change across a period ?
a)
increases
b)
decreases
c)
stays the same
33.
How does the ionization energy change across a period ?
a)
increases
b)
decreases
c)
stays the same
34.
how does the electron affinity change across a period ?
a)
increases
b)
decreases
c)
stays the same
35.
how does the electronegativity change down a group ?
a)
increases
b)
decreases
c)
stays the same
36.
which of the following has the smallest atomic radius ?
a)
Li
b)
K
c)
Na
d)
Cs
37.
Which atom has the least electronegativity ?
a)
Cs
b)
Li
c)
Na
d)
K
38.
The highest ionization energy in the periodic table is for ________.
a)
hydrogen
b)
cesium
c)
argon
d)
flourine
39.
Which of the following would have a positive electron affinity ?
a)
chlorine
b)
flourine
c)
oxygen
d)
noble gases
40.
which of the following is the most stable electron configuration ?
a)
[Ar] 4s2 3d4
b)
[Ar] 4s1 3d5
c)
[Ar] 3d5
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