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Unit 2 Trends

Total questions: 12

Worksheet time: 11mins

Name
Class
Date
1.
The concept of shielding happens because of
a)
attraction between nucleus and valence electrons
b)
attraction between nucleus and core electrons
c)
repulsion between valence electrons and other valence electrons
d)
repulsion between core electrons and valence electrons
2.

Electronegativity is...

a)

how much an atom wants electrons in a bond

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.

3.

Which of the following correctly places the elements of Group 7 in order of INCREASING electronegativity?

a)

F, Cl, Br, I

b)

Cl, F, Br, I

c)

I, Br, Cl, F

d)

Br, Cl, I, F

4.

As you move DOWN a group, there are _______ electrons and energy levels leading to a greater shielding effect and a ________ electronegativity value.

a)

more, higher

b)

more, lower

c)

less, higher

d)

less, lower

5.

Which of the following has the HIGHEST electronegativity value?

a)

calcium

b)

arsenic

c)

nitrogen

d)

neon

6.
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
7.

When you move left across the table, the radius ____. When you move down the table, the radius ____.

a)

Increases, Decreases

b)

Decreases, Increases

c)

Increases, Increases

d)

Decreases, Decreases

8.
Which of the following sequences corresponds to a correct trend in ionization energy?
a)
Cl > S > P > Al
b)
Sr > Ca > Mg > Be
c)
Rb > K > Na > Li
d)
Rb > Sr > I > Xe
9.
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
10.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
11.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
12.
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