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Unit 3 Review: Periodic Table

Total questions: 47

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

Which elements contain atoms that form colored ions in solution? (3A)

a)

alkali metals

b)

alkaline earth metals

c)

transition elements

d)

noble gases

2.

Which elements have the most similar chemical properties? (3A)

a)

K and Na

b)

K and Ca

c)

K and Cl

d)

K and S

3.

How many halogens are in Period 3 of the Periodic Table? (3A)

a)

3

b)

1

c)

4

d)

2

4.

Which of the following elements has the highest ionization energy? (3D)

a)

sodium

b)

aluminum

c)

calcium

d)

phosphorus

5.

(3D) The element with the highest attraction for electrons is

a)

chlorine

b)

bromine

c)

fluorine

d)

iodine

6.

(3A) In the modern Periodic Table, the elements are arranged according to

a)

atomic mass

b)

atomic number

c)

mass number

d)

oxidation number

7.

(3D) A diatomic element with a high ionization energy would most likely be a 

a)

nonmetal with a high electronegativity

b)

metal with a high electronegativity

c)

metal with a low electronegativity

d)

nonmetal with a low electronegativity

8.

(3D) As we move down Group 16 in order of increasing atomic number, the electronegativity for each successive element

a)

Increases

b)

Decreases

c)

Remains the same

9.

(3A) What element is in Group 2 and Period 7 of the Periodic Table?

a)
magnesium
b)
radon
c)
manganese
d)
radium
10.
Alkali Metals, Alkaline earth metals and halogens are found respectively in groups
a)
1, 2 and 14
b)
1, 2 and 18
c)
1, 2 and 17
d)
2, 13 and 17
11.
Which element is considered a malleable substance?
a)
sulfur
b)
radon
c)
hydrogen
d)
gold
12.
As we consider the elements of Period 2 from left to right, there is a general decrease in
a)
ionization energy
b)
metallic character
c)
nonmetallic character
d)
electronegativity
13.
Which period contains the greatest number of metals?
a)
1
b)
2
c)
3
d)
4
14.
As we move down Group 1 elements on the Periodic Table, the first ionization energy of each element decreases. One reason for this is that
a)
the nuclear charge is decreasing
b)
the number of principal energy levels is decreasing
c)
the distance between the valance electron and the nucleus is increasing
d)
the number of neutrons is increasing
15.
Which is the most active metal on the Periodic Table of Elements?
a)
I
b)
Fr
c)
Cl
d)
F
16.
The properties of boron are characteristic of 
a)
a metal only
b)
a nonmetal only
c)
both a metal and a nonmetal
d)
neither a metal nor a nonmetal
17.
Which compound contains an alkaline earth metal and a halogen?
a)
CaS
b)
Rb2S
c)
RbCl
d)
CaCl2
18.
Metals outnumber nonmetals on the periodic table because most elements 
a)
are close to having a full octet
b)
have 1 to 2 valence electrons
c)
have a high ionization energy
d)
have a high electronegativity
19.
As we move from left to right on the periodic table, the reactivity of nonmetals
a)
increases
b)
decreases
c)
stays the same
20.
As we move from left to right on the periodic table, the reactivity of metals
a)
increases
b)
decreases
c)
stays the same
21.
Which of the following generally applies to noble gases?
a)
high ionization energy, low electronegativity, high reactivity
b)
high ionization energy, high electronegativity, high reactivity
c)
low ionization energy, low electronegativity, low reactivity
d)
high ionization energy, low electronegativity, low reactivity
22.

(3A) An atom of an element contains 20 protons, 20 neutrons and 20 electrons. This element is

a)
a noble gas
b)
a halogen
c)
an alkaline earth metal
d)
an alkali metal
23.

(3B) On the Periodic Table, an element classified as a metalloid can be found in

a)
Period 6, Group 15
b)
Period 3, Group 16
c)
Period 4, Group 15
d)
Period 2, Group 14
24.

(3A) All elements of Period 2 have the same

a)
number of valence electrons
b)
number of occupied energy levels
c)
atomic number 
d)
atomic mass
25.

(3B) Which element has luster and conducts electricity and exists as a liquid at STP?

a)
Iodine
b)
Mercury
c)
Carbon
d)
Bromine
26.

(3B) The table shows some properties of elements A, B C and D. Which element is most likely a nonmetal?

a)
A
b)
B
c)
C
d)
D
27.

(3A) What is the most active nonmetal in the Periodic Table of Elements?

a)
Cl
b)
F
c)
I
d)
Na
28.

(3A) Which element forms a colored ion in solution?

a)
K
b)
Ni
c)
Mg
d)
Li
29.

(3A) What is the total number of electrons found in the valence shell of a halogen in the ground state?

a)
1
b)
2
c)
7
d)
8
30.

(3F) During a flame test, ions of a specific metal are heating in the flame of a gas burner. A characteristic color of light is emitted by these ions in the flame when the electrons

a)
gain energy as they return to lower energy levels
b)
gain energy as they move to higher energy levels
c)
emit energy as they return to lower energy levels
d)
emit energy as they move to higher energy levels
31.

(3F) The lines in the bright line spectrum of an atom are due to

a)
nuclear transitions in atoms
b)
movement of electrons from higher energy states to lower energy states
c)
movement of electrons from lower energy states to higher energy states
d)
the presents of isotopes
32.

(3E) Which is the electron configuration of a fluorine atom in the excited state?

a)
2-6
b)
2-7
c)
2-6-1
d)
2-7-1
33.

(3A) An atom of which element shown below has a stable valence electron configuration?

a)
Al
b)
Cl
c)
Na
d)
Ne
34.

(3E) Which electron configuration shown represents potassium atom in an excited state?

a)
2-8-7-1
b)
2-8-8-1
c)
2-8-7-2
d)
2-8-8-2
35.

(3F) Given the bright line spectrum shown in the image, which element(s) is/are present in the mixture?

a)
Element D, only
b)
Element G, only
c)
Elements D and E, only
d)
Elements D, E and G
36.

(3E) Which of the following electron configurations represents an atom in an excited state?

a)
2-8
b)
2-8-1
c)
2-6-1
d)
2-1
37.

(3C) Two forms of carbon, diamond and graphite, differ in their physical properties. This is primarily due to differences in their

a)
atomic numbers
b)
crystal structures
c)
isotopic abundances
d)
percent compositions
38.

(3C) In which phase of matter do most of the known elements exist?

a)
solid
b)
liquid
c)
gas
d)
supercooled liquid
39.

(3C) Two forms of oxygen, O2(g) and O3(g), have

a)
different molecular structures and identical properties
b)
different molecular structures and different properties
c)
identical molecular structures and identical properties
d)
identical molecular structures and different properties
40.

(3C) Which element can be represented by this diagram at STP?

a)
Fluorine
b)
Chlorine
c)
Bromine
d)
Iodine
41.

(3A) The modern periodic table is arranged in order of

a)

atomic number

b)

oxidation number

c)

atomic mass

d)

mass number

42.

(3A) Gallium is a Group 13 element because

a)

it has 31 protons

b)

it has 3 valence electrons

c)

it is a metalloid

d)

it has 3 electron shells

43.

(3B) The elements in group 2 are classfied as

a)

metals

b)

nonmetals

c)

metalloids

d)

noble gases

44.

(3A) Aluminum is a Period 3 element because

a)

It has 13 protons

b)

It has 3 valence electrons

c)

It has +3 oxidation state

d)

It has 3 principal energy levels

45.

(3C) Which element is a diatomic gas at STP?

a)

Helium

b)

Nitrogen

c)

Iodine

d)

Magnesium

46.

(3A) Compared to an atom of magnesium, an atom of calcium has

a)

The same number of electron shells

b)

1 more valence electron

c)

1 more electron shell

d)

the same number of protons

47.

(3D) Why does the atomic radius increase as elements go down a group?

a)

there are more valence electrons

b)

the nuclear charge increases

c)

the electronegativity increases

d)

The number of principal energy levels increases

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