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Unit 3 Test Review

Total questions: 55

Worksheet time: 55mins

Name
Class
Date
1.

What atom matches this electron configuration?

1s2 2s2 2p6 3s2

a)

Ne

b)

Al

c)

Mg

d)

K

2.

Which is the electron configuration for an oxygen atom?

a)

1s22s22p63s23p64s2

b)

1s22s22p6

c)

1s22s22p4

d)

1s22s22p63s23p6

3.

What is the maximum number of electrons that an orbital can have?

a)

1

b)

3

c)

2

d)

4

4.

How many d orbitals are there in a given sublevel?

a)

1

b)

5

c)

3

d)

7

5.

How many p orbitals are there in a sublevel?

a)

2

b)

4

c)

1

d)

3

6.

How many electrons can the d sublevel hold?

a)

8

b)

2

c)

10

d)

4

7.

What is this element?

1s22s22p63s23p6 4s23d104p6

a)

Ar

b)

Se

c)

Kr

d)

Br

8.

What atom matches this electron configuration?

[Xe] 6s2 4f14 5d9

a)

Hg

b)

Pt

c)

Au

d)

Tl

9.

What is the noble gas configuration for sulfur?

a)

[Ar] 3p4

b)

[Ne] 3s23p4

c)

[He] 3s23p4

d)

[Na] 3s23p3

10.

How many electrons can the first energy level hold?

a)

1

b)

2

c)

8

d)

6

11.

How many valence electrons does chlorine have?

a)

5

b)

7

c)

2

d)

3

12.

How many valence electrons does phosphorus have?

a)

5

b)

8

c)

2

d)

15

13.

What noble gas should be used to write the shorthand configuration for Te?

a)

Ar

b)

Xe

c)

Kr

d)

Sb

14.

Which element in period 5 has 1 valence electron?

a)

Rb

b)

Nb

c)

In

d)

I

15.

What element in Period 4 has 5 valence electrons?

a)

Zr

b)

V

c)

As

d)

Sb

16.

Which of the following is a p block element?

a)

Ca

b)

Re

c)

Ar

d)

Au

17.

The columns (vertical) on the periodic table are called

a)

groups

b)

towers

c)

periods

d)

rows

18.

Sodium is found in period

a)

3

b)

4

c)

2

d)

1

19.

Gallium is found in group

a)

3

b)

4

c)

13

d)

12

20.

The rows (horizontal) on the periodic table are called

a)

groups

b)

periods

c)

columns

d)

families

21.

The elements in group 1 of the periodic table are also called

a)

non-metals

b)

halogens

c)

alkaline earth metals

d)

alkali metals

22.

Elements that do not conduct electricity and have little to no metallic luster are classified as

a)

non-metals

b)

metalloids

c)

metals

d)

transition metals

23.

Inert (non-reactive) elements, also known as noble gases, are found in group

a)

15

b)

16

c)

17

d)

18

24.

The most reactive metal on the periodic table is

a)

Francium (Fr)

b)

Radium (Ra)

c)

Hydrogen (H)

d)

Fluorine (F)

25.

The most reactive nonmetal on the periodic table is

a)

Francium (Fr)

b)

Radium Ra)

c)

Neon (Ne)

d)

Fluorine (F)

26.

Who is credited for developing the periodic table?

a)

Niels Bohr

b)

Thomas Rutherford

c)

Dmitri Mendeleev

d)

Marie Curie

27.

Most metals share four common physical characteristics. Which of the options is NOT one of them?

a)

Luster

b)

Ductility

c)

Reactivity

d)

Conductivity

e)

Malleability

28.

Which family of elements reacts violently with water and exposure to air?

a)

Alkali metals

b)

Lanthanides

c)

Alkaline earth metals

d)

Halogens

29.

Which two families of elements are soft and silvery? Choose two.

a)

Alkali metals

b)

Lanthanides

c)

Transition metals

d)

Alkaline earth metals

30.

The periodic table is mostly comprised of what type of element?

a)

Metals

b)

Metalloids

c)

Nonmetals

31.

When bonding with other atoms, alkaline earth metals

a)

Take 1 electron from another atom

b)

Take 2 electrons from another atom

c)

Give 1 electron to another atom

d)

Give 2 electrons to another atom

32.

Which elements can be described as lustrous and brittle?

a)

Metals

b)

Metalloids

c)

Nonmetals

33.

Which family of elements does not combine with other elements?

a)

Halogens

b)

Noble gases

c)

Transition metals

d)

Actinides

34.

Which of the following is the most reactive?

a)

Beryllium (Be)

b)

Calcium (Ca)

c)

Strontium (Sr)

d)

Barium (Ba)

35.

Which of the following is the most reactive?

a)

Astatine (At)

b)

Iodine (I)

c)

Bromine (Br)

d)

Chlorine (Cl)

36.

The actinides are part of which period?

a)

7

b)

5

c)

8

d)

9

37.

In which category is silicon located?

a)

Metal

b)

Nonmetal

c)

Metalloid

38.

Which element is located in period 4, group 5

a)

Vanadium (V)

b)

Zirconium (Zr)

c)

Dubnium (Db)

d)

Cerium (Ce)

39.

Which of the following is found as a liquid at room temperature?

a)

Bromine (Br)

b)

Chlorine (Cl)

c)

Iodine (I)

d)

Fluorine (F)

40.

Which element conducts electricity the best?

a)

Silicon (Si)

b)

Silver (Ag)

c)

Fluorine (F)

d)

Arsenic (As)

41.

Which element has the highest boiling point?

a)

Titanium (Ti)

b)

Mercury (Hg)

c)

Chlorine (Cl)

d)

Nitrogen (N)

42.

When bonding with other atoms, halogens

a)

Take 1 electron from another atom

b)

Take 2 electrons from another atom

c)

Give 1 electron to another atom

d)

Give 2 electrons to another atom

43.

The metalloids are located

a)

Randomly throughout the periodic table

b)

Group 2

c)

Along the staircase

d)

With the transition metals

44.

Hydrogen is classified as a

a)

Metal

b)

Metalloid

c)

Nonmetal

45.

As you move down a group, atomic radius increases because -

a)

you add more and more neutrons

b)

you add more and more protons

c)

you add more and more energy levels

d)

you add more atomic mass

46.
As you move across the periodic table from left to right, the atomic radius decreases.  This is because - 
a)
the number of protons increases, so attraction to electrons increases
b)
the number of energy levels increases
c)
the number of electrons increases
d)
the atomic mass increases
47.
Francium (Fr) has the lowest ionization energy in Group 1 because - 
a)
it has the smallest number of valence electrons
b)
it has the greatest atomic mass
c)
it has the greatest number of protons, so it attracts its electrons the strongest
d)
its 1 valence electron is very far from the nucleus, so little energy is needed to remove it
48.
The element with the smallest ionization energy in Period 6 is - 
a)
Rn
b)
Cs
c)
Os
d)
Tm
49.
The energy required to remove electrons is the definition of: 
a)
Electronegativity
b)
Atomic Number
c)
Atomic Radius
d)
Ionization
50.
Families all have similar 
a)
Names
b)
atomic numbers
c)
atomic masses
d)
properties
51.

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

a)

decreases, increases

b)

increases, increases

c)

increases, decreases

d)

stays the same, increases

52.

Which of the metalloids has the smallest atomic radius?

a)

Si

b)

B

c)

Sb

d)

Al

53.

Of the halogens, which has the smallest electronegativity?

a)

F

b)

Cl

c)

At

d)

Ne

54.

Which of the alkaline-earth metals has the smallest electronegativity

a)

Be

b)

Fr

c)

Ra

d)

Sr

55.

Which alkali metal is the least reactive?

a)

Li

b)

Na

c)

H

d)

Fr

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