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Unit 1A Practice

Total questions: 50

Worksheet time: 37mins

Name
Class
Date
1.

choose the correct statement

a)

the vertical column in the periodic table is called period

b)

the vertical column in the periodic table is called group

c)

the horizontal row in the periodic table is not called period

d)

none of the above

2.

alkali metals are in group...

a)

1A

b)

2A

c)

3A

d)

4A

3.

Number of valence electrons in halogens is ..........

a)

1

b)

4

c)

3

d)

7

4.

choose the metalloid element

a)

sodium

b)

Germanium

c)

Silver

d)

Helium

5.

Sulphur is a/an........

a)

Non metal

b)

Metal

c)

Metalloid

d)

Inert gases

6.

which element is this ?

a)

Neon

b)

Potassium

c)

Calcium

d)

Argon

7.

What is the name of group number 2A?

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth metals

8.

Where are the metalloids found?

a)

far left, vertical

b)

stair step/diagonal

c)

far right horizontal

d)

at the bottom

9.

What group number are the halogens found?

a)

8A

b)

1A

c)

2A

d)

7A

10.

A row (left to right) on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

11.
__________ would have some characteristics of metals and some characteristics of nonmetals.
a)
Gold
b)
Sodium
c)
Arsenic
d)
Bismuth
12.

Metals (select all that apply)

a)

are found on the right side of the periodic table.

b)

are found on the left side of the periodic table.

c)

are good conductors of heat and electricity.

d)

Can be gases, liquids, or solids

13.

Nonmetals (select all that apply)

a)

are found on the right side of the periodic table.

b)

are found on the left side of the periodic table.

c)

are good conductors of heat and electricity.

d)

can be solid, liquids, or gases at room temperature.

14.

Which element is found in group 2, period 6?

a)

Oxygen (O)

b)

Barium (Ba)

c)

Selenium (Se)

d)

Carbon (C)

15.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

16.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
17.

Which element does this Bohr model represent?

a)

Aluminum

b)

Silicon

c)

Magnesium

d)

Cobalt

18.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
19.

A covalent bond is

a)

a bond that shares electrons metallicaly

b)

A bond that shares electrons between nonmetals

c)

Metalloids bonding

d)

metals and nonmetals bonding

20.

How many valence electrons does phosphorus (P) have?

a)

5

b)

8

c)

1

d)

3

21.

What are valence electrons?

a)

All the electrons an atom has.

b)

Only the electrons in the 1st energy level.

c)

Only the electrons in the outer energy level.

d)

Total number of protons and neutrons.

22.

Which type of bond is being formed in this diagram?

a)

covalent bond

b)

energy bond

c)

ionic bond

23.
How many electrons should Beryllium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
24.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
25.
How many electrons should Carbon have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
26.
How many electrons should Flourine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
27.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

28.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
29.

By replacing the element symbol, this could be the diagram of which element?

a)

O

b)

B

c)

Li

d)

Ne

30.
This could be the dot diagram of
a)
Mg
b)
Cl
c)
C
d)
O
31.

Which of the following could NOT form an ionic compound? Check all that apply.

a)

lithium and chlorine

b)

fluorine and oxygen

c)

barium and lithium

d)

magnesium and sulfur

32.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
33.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
34.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
35.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
36.
Nitrogen will form which of the following ions?
a)
N
b)
N-3
c)
N-5
d)
N+5
37.

Which is the correct formula for aluminum sulfide?

a)

AlS

b)

Al3S2

c)

S3Al2

d)

Al2S3

38.

Which of the following is true for ionic bonding & ionic compounds? (Select all that apply)

a)

They must be made of ions with like charges.

b)

The negative ion must be written first.

c)

Compounds must have an overall charge of zero.

d)

They are made of metals and nonmetals.

e)

The positive ion must be written first.

39.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
40.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
41.

The following properties are all characteristics of ionic compounds EXCEPT

a)

high melting and boiling points

b)

soft

c)

crystal lattice structure

d)

conduct electricity when dissolved in water

42.
What is the formula for Potassium Iodide?
a)
KI
b)
K2I
c)
KI2
d)
K(II)I
43.
A covalent bond involves a __________ of electrons.
a)
sharing
b)
borrowing
c)
exchanging
d)
switching
44.
Low melting point and low solubility in water are general properties of ______________________ compounds
a)
ionic
b)
covalent
c)
chemical
d)
glucose
45.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
46.

What is the formula for tetranitrogen hexahydride

a)

N5H7

b)

N6H8

c)

N4H6

d)

N3H10

47.

What is the formula for dihydrogen monosulfide?

a)

H2S

b)

H10S9

c)

H3S4

d)

HS2

48.

What is the formula for pentasulfide dichloride?

a)

S5Cl2

b)

S4Cl2

c)

S7Cl2

d)

S4Cl3

49.

Name the compound: N2O5.

a)

dinitrogen pentaoxide

b)

binitrogen pentaoxide

c)

nitrogen oxide

d)

pentanitrogen dioxide

50.

Which group on the periodic table are the reactive in water?

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

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