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Periodic Trends

Total questions: 18

Worksheet time: 42mins

Name
Class
Date
1.

If the number of energy level rings remains the same, as the number of protons increases, the force of attraction

a)

remains the same

b)

increases

c)

decreases

d)

is divided by 1/2

2.
As the distance between protons and electrons increases, the force of attraction
a)
remains the same
b)
increases
c)
decreases
d)
is not affected
3.

What are the two variables that affect Coulombic Attraction?

a)

Distance and number of protons

b)

Number of neutrons and number of protons

c)

Number of neutrons and number of electrons

d)

Distance and number of neutrons

4.

Looking at atoms in the same group/family, what factor most greatly affects Coulombic attraction?

a)

number of protons

b)

distance from the nucleus

c)

moles of atoms

d)

number of neutrons

5.
The element with the largest electronegativity in the halogens is - 
a)
At
b)
F
c)
Cl
d)
Br
6.
The element with the lowest electronegativity in Period 3 is - 
a)
Na
b)
Cl
c)
Ar
d)
Mg
7.

What does electronegativity do as you go across a period?

a)

decrease

b)

no pattern

c)

stay the same

d)

increase

8.

As you move across a period, the outer electrons are ________ to the nucleus, so the nucleus of the atom is ________ to attract electrons in a bond.

a)

closer, more able

b)

closer, less able

c)

further, less able

d)

further, more able

9.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
10.
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
11.
The atom with the largest atomic radius in Group 18 is - 
a)
Ar
b)
He
c)
Kr
d)
Rn
12.

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.

13.
Which element has the greater ionization energy?
a)
Strontium
b)
Boron
14.
Define electron affinity.
a)
The energy it takes to add an electron to an atom.
b)
The energy it takes to remove an electron from an atom.
15.
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. 
16.
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
17.
As you go down a group, the amount of shielding....
a)
increases
b)
decreases
c)
stays the same
18.
As you go across a period, the amount of shielding...
a)
Increases
b)
decreases
c)
stays the same