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Periodic Trends

Total questions: 35

Worksheet time: 33mins

Name
Class
Date
1.

Which has the greater Electronegativity:  Cl or Al?

a)
Cl
b)
Al
2.

Which has the greater Electronegativity:  N or C?

a)
C
b)
N
3.

Which has the greater Electronegativity:  H or F?

a)

Ne

b)
F
4.

Which has the greater Electronegativity:  H or F?

a)
H
b)
F
5.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
6.
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)
7.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
8.
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 nuetrons
9.
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.
10.
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.
11.
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. 
12.
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
13.
The atom with the largest atomic radius in Group 18 is - 
a)
Ar
b)
He
c)
Kr
d)
Rn
14.
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.
15.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
16.

As we travel down the periodic table, ionization energy ________.

a)

Increases

b)

Decreases

c)

Stays the same

17.

Which element has the largest atomic radius?

a)

Li

b)

Na

c)

K

d)

Rb

e)

Cs

18.

If an electron is further away from the nucleus, is that electron easier or harder to steal?

a)

Easier

b)

Harder

c)

Neither

19.

If an atom loses all of its valence electrons, would that make it bigger or smaller?

a)

Bigger

b)

Smaller

c)

Neither

20.

If an atom gained electrons (but not protons), would it get bigger or smaller?

a)

Bigger

b)

Smaller

c)

Neither

21.
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
22.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
23.

What is the charge of a sodium ion?

a)

+2

b)

+1

c)

-1

d)

-2

24.
Group 17 always has ions with a charge of 
a)
+1
b)
+2
c)
-1
d)
-2
25.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
26.
charge of lithium ion
a)
-2
b)
-1
c)
+1
d)
+2
27.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
28.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
29.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
30.

Which species has the larger radius?

a)

Cl

b)

Cl-

31.

Which species has the larger radius?

a)

Na

b)

Na+

32.
Put the following in order of increasing ionization energy:Neon, Lithium, Carbon
a)
Lithium, Carbon, Neon
b)
Carbon, Lithium, Neon
c)
Neon, Carbon, Lithium
d)
Lithium, Neon, Carbon
33.

As you look down a group, ionization energy and electronegativity

a)

increases

b)

decreases

34.

Which element has the greater ionization energy?

a)

Iodine (I)

b)

Chlorine (Cl)

35.
Which of these elements has the highest ionization energy?
a)
Lithium (Li)
b)
Potassium (K)
c)
Francium (Fr)
d)
Sodium (Na)

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