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Periodic Table Trends

Total questions: 35

Worksheet time: 40mins

Name
Class
Date
1.

Which element is located in group 3?

a)

Gallium (Ga)

b)

Carbon (C)

c)

Sodium (Na)

d)

Lithium (Li)

2.

Which element is located in period 4?

a)

Zirconium (Zr)

b)

Silicon (Si)

c)

Beryllium (Be)

d)

Iron (Fe)

3.

Which element has three electron energy levels (is on energy level 3)?

a)

Argon (Ar)

b)

Lithium (Li)

c)

Boron (B)

d)

Europium (Eu)

4.
Which of these elements has the greatest atomic radius? 
a)
H
b)
N
c)
Cl
d)
Cs
5.

What is the name of this group of elements?

a)

Alkali metals

b)

Halogens

c)

Noble Gases

d)

Alkali Earth Metals

6.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
7.
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
8.
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
a)
decreases, increases 
b)
increases, increases
c)
increases, decreases 
d)
stays the same, increases
9.
Atomic radius generally increases as we move __________.  
a)
down a group and from right to left across a period 
b)
up a group and from left to right across a period 
c)
down a group and from left to right across a period 
d)
up a group and from right to left across a period 
10.
Vertical columns of elements (families) on the periodic table with similar  properties
a)
groups
b)
periods
c)
quadrants
d)
rows
11.

As you move from left to right on the periodic table, the number of valence electrons.......

a)

Increases

b)

Decreases

c)

Remains the same

12.
Which of the following will have a higher electronegativity than arsenic (As)?
a)
Carbon (C)
b)
Neon (Ne)
c)
Antimony (Sb)
d)
Germanium (Ge)
13.
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)
14.
Atoms that have a high electronegativity, _______________.
a)
give up their electrons more easily.
b)
hold on to their electrons more tightly.
c)
have more electron shells.
15.
As you move down a group, atomic radius increases because - 
a)
you add more and more neutrons
b)
you add more and more protons
c)
you add more and more shells (energy levels)
d)
you add more atomic mass
16.
Francium (Fr) has the lowest ionization energy in Group 1 because - 
a)
it has the smallest number of valence electrons
b)
it has the greatest atomic mass
c)
it has the greatest number of protons, so it attracts its electrons the strongest
d)
its 1 valence electron is very far from the nucleus, so little energy is needed to remove it
17.
Which has the greater Electronegativity: 
N or C?
a)
C
b)
N
18.
How many valence electrons are in an atom of K?
a)
3
b)
8
c)
4
d)
1
19.
How many valence electrons are in an atom of Ar?
a)
2
b)
8
c)
4
d)
1
20.

Which element is most likely to have six valence electrons?

a)

Barium (Ba)

b)

Carbon (C)

c)

Oxygen (O)

d)

Americium (Am)

21.

Which group has ZERO electronegativity?

a)

Alkali metals because they have 1 valence electron

b)

Noble gases because they have a full octet of valence electrons

c)

Halogens because they are close to 8 valence electrons

d)

Nonmetals because gases can't steal electrons

22.

Why does atomic radius decrease as you go left to right in a period?

a)

More atomic mass makes it denser

b)

More electron energy levels makes it expand

c)

More protons in the nucleus pull the electrons in closer

d)

Valence electrons repel each other and make the atom smaller

23.
a)
12
b)
7
c)
8
d)
14
24.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
25.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
26.

What property is being measured in this diagram?

a)

Density

b)

Ionization Energy

c)

Atomic Radius

d)

Atomic Mass

27.
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)
28.
Ionization energy is the...
a)
energy needed to remove the outermost electron.
b)
ability of an atom to attract electrons from another atom.
c)

Energy needed to start a reaction

d)

Energy needed to remove a proton

29.

A vertical column in the periodic table is called:

a)

row

b)

group

c)

period

d)

table

30.

A horizontal row of elements in the periodic table is called:

a)

column

b)

group

c)

period

d)

family

31.
Electronegativity is the...
a)
energy needed to remove the outermost electron.
b)
ability of an atom to attract electrons from another atom.
32.

Which shows correct order for atomic radius?

a)

C > N > B > F

b)

F > B > C > N

c)

N > B > C > F

d)

B > C > N > F

33.

Atomic radius decreases, left to right, because of _______

a)

higher positive nuclear charge

b)

added neutrons

c)

atomic number

d)

higher number of energy levels

34.

Ionization energy increases, left to right, as ...

a)

shielding increases

b)

energy levels increase

c)

atomic radius decreases

d)

valence electrons decrease

35.

As you move down a group, ionization energy ______.

a)

decreases

b)

increases

c)

stays the same

d)

hulks out

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