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TEK 5C Periodic Trends

Total questions: 17

Worksheet time: 14mins

Name
Class
Date
1.

Which of the following will have a larger radius than Zinc (Zn)?

a)

Gallium (Ga)

b)

Aluminum (Al)

c)

Magnesium (Mg)

d)

Strontium (Sr)

2.

Which atom has the largest atomic radius?

a)

potassium (K)

b)

rubidium (Rb)

c)

francium (Fr)

d)

cesium (Cs)

3.
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
4.
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.
5.
The atom with the largest atomic radius in Group 18 is - 
a)
Ar
b)
He
c)
Kr
d)
Rn
6.

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.

7.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
8.

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 

9.
What is ionization energy?
a)
Energy needed to destroy an atom
b)
Energy required to remove an electron
c)
Energy needed to split an electron
d)
Energy required to add an electron
10.
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. 
11.

As you look down a group, ionization energy and electronegativity

a)

increases

b)

decreases

12.

As you look from left to right across a period, ionization energy and electronegativity both

a)

increase

b)

decrease

13.

Which element has the greater ionization energy?

a)

Magnesium (Mg)

b)

Phosphorus (P)

14.

Which element has the greater ionization energy?

a)

Iodine (I)

b)

Chlorine (Cl)

15.

Which has the greater electronegativity:

N or C?

a)

C

b)

N

16.

Which has the greater electronegativity:

Cl or Al?

a)

Cl

b)

Al

17.
What elements have zero electronegativity?
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases