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Worksheets

ECM and Periodic Table Review

Total questions: 85

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
2.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
3.
1 A substance made up of two or more chemically combinedelements is —
a)
an element
b)
mixture
c)
compound
d)
solution
4.
1 A substance made up of two or more chemically combinedelements is —
a)
an element
b)
mixture
c)
compound
d)
solution
5.
Two or more physically combined substances form —
a)
a compoud
b)
an acid
c)
an element
d)
a mixture
6.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
7.
What is an example of a mixture?
a)
Table salt
b)
Salt water
c)
Oxygen
d)
Air
8.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
9.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
10.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
11.

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

a)

I

b)

II

c)

III

d)

IV

12.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
13.

Table salt, or sodium chloride has the chemical formula NaCl. How is sodium chloride classified?

a)

as an element

b)

as a compound

c)

as a mixture

d)

as a liquid

14.

Brass is a metal that is bright red and gold. It is formed by combining, not chemically, two elements, zinc and copper. Based on the information, how would brass be classified?

a)

an element

b)

compound

c)

mixture

d)

suspension

15.

Which is the smallest particle of an element that has the same properties as that element?

a)

atom

b)

molecule

c)

compound

d)

chemical

16.

Compounds

a)

are made of two or more types of atoms chemically bonded together

b)

are made of one type of atom

c)

are found on the periodic table

d)

can be separated into their individual parts through physical means

17.

Which of the following are examples of compounds? Check all that apply.

a)

Salt

(NaCl)

b)

Salt Water

(NaCl and H2O)

c)

Sugar

(C6H12O6)

d)

Carbon Dioxide

(CO2)

18.

When substances combine chemically...

a)

they form a mixture and their properties change

b)

they form a compound and their properties change

c)

they form a mixture where their properties stay the same

d)

the form a compound where their properties stay the same

19.

Which of the following are examples of Mixtures?

a)

The atmosphere

(N + O + Ar + H2O...)

b)

Carbon Dioxide (CO2)

c)

Oxygen

(O2)

d)

Lemonade

(sugar, lemon juice, water)

e)

Anything on the Periodic Table

20.

Mixtures

a)

are made of two different types of atoms chemically bonded together

b)

Are only liquids

c)

Cannot be separated

d)

Can be separated using physical properties

21.

Which of the following are examples of a Pure Substance?

a)

Water

(H2O)

b)

Helium

(He)

c)

Orange Juice

(oranges, water)

d)

Uranium

(Ur)

e)

Sugar

(C6H12O6)

22.
a)

8

b)

4

c)

26

d)

56

23.
a)

18

b)

8

c)

40

d)

3

24.
a)

Po

b)

At

c)

Rn

d)

Lv

25.
a)

127

b)

17

c)

53

d)

5

26.
a)

14

b)

6

c)

2

d)

12

27.
a)

64

b)

98

c)

163

d)

66

28.
a)

184

b)

74

c)

6

d)

110

29.

What are the three main groups of the periodic table?

a)

groups

b)

metal

c)

nonmetals

d)

metalloids

e)

periods

30.

What are the vertical columns on the periodic called?

a)

groups

b)

periods

c)

nonmetals

d)

metals

e)

metalloids

31.

What do the vertical columns on the periodic table tell us?

a)

The number of orbitals

b)

The number of valence electrons (electrons on the outer most shell)

32.

What are the horizontal rows on the periodic table called?

a)

periods

b)

groups

c)

metals

d)

nonmetals

e)

metalloids

33.

What does the number of proton tell us?

a)

electrons

b)

atomic number

c)

atomic mass

d)

neutrons

34.

How do you calculate the number of neutrons? *

a)

Mass = Atomic number - Neutrons

b)

Mass - Atomic number = Neutrons

c)

Atomic number = Neutrons

35.

How many protons and electrons does nickel have?

a)

28

b)

58.69

36.

What is the atomic mass?

a)

58.693

b)

28

37.

How many shells does Nickel have?

a)

3

b)

4

c)

5

d)

10

38.

This element has two valence electrons and two energy levels?

a)

Beryllium (Be)

b)

Lithium (Li)

c)

Zinc (Zn)

39.

How many valence electrons and shells does (Pb) lead have?

a)

4 valence electrons and 6 shells

b)

6 valence electrons and 4 shells

c)

5 valence electrons and 5 shells

d)

5 valence electrons and 10 shells

40.

Which label is the atomic mass or the amu?

41.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
42.
Sodium (Na) is found in period 
a)
3
b)
2
c)
4
d)
1
43.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
44.

What does the atomic mass (mass number) tell you? 

a)

number of electrons and protons

b)
The number of neutrons
c)

the number of protons and neutrons

d)

The number of protons

45.

The atomic number tells you what? 

a)
only the number of electrons
b)
 only the number of protons
c)
only the number of neutrons
d)

the number of both electrons and protons

46.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
47.
All matter is made of .....
a)
energy 
b)
atoms 
c)
air
d)
chemistry
48.
Which is an electron?
a)
A
b)
B
c)
C
49.
Which is a proton?
a)
A
b)
B
c)
C
50.
Which is a neutron?
a)
A
b)
B
c)
C
51.
Which item on this element square represents the atomic number?
a)
13
b)
Al
c)
Aluminum
d)
26.981538
52.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
53.

What is the mass number of "F"

a)
9
b)
18
c)
17
d)
19
54.
An atom of the element with atomic number 6 always has _____.
a)
six protons in its nucleus
b)
an atomic mass of six
c)
more than six neutrons
d)
six electron clouds
55.

Which statement best describes the arrangement of elements in the periodic table?

a)

Elements are arranged in decreasing atomic mass from left to right.

b)

Elements are arranged in decreasing atomic number from left to right.

c)

Elements are arranged in increasing atomic number from left to right

d)

Elements are arranged in increasing number of neutrons from left to right.

56.

Which pair of elements has the most similar properties?

a)

Be and B

b)

O and S

c)

H and Hg

d)

Na and F

57.

He, Ne, and Ar are all noble gases. What is common among these gases?

a)

They are flammable.

b)

They are highly reactive.

c)

They are metals.

d)

They are unreactive.

58.

What group of elements are highly reactive and is placed on the first column on the left side of the periodic table?

a)

Group IA (Alkali Metals)

b)

Group IIA (Alkali Earth Metals)

c)

Group VIIA (Halogens)

d)

Group VIIIA (Noble Gases)

59.

What group of elements are highly reactive and is placed on the second column on the right side of the periodic table?

a)

Group IA (Alkali Metals)

b)

Group IIA (Alkali Earth Metals)

c)

Group VIIA (Halogens)

d)

Group VIIIA (Noble Gases)

60.

What group of elements are least reactive and is placed on the last column on the right side of the periodic table?

a)

Group IA (Alkali Metals)

b)

Group IIA (Alkali Earth Metals)

c)

Group VIIA (Halogens)

d)

Group VIIIA (Noble Gases)

61.

Sodium reacts with water. Which element is most likely to have a similar

effect to sodium if it is exposed to water?

a)

carbon

b)

nitrogen

c)

boron

d)

lithium

62.

In which side of the periodic table are nonmetals most likely found?

a)

left

b)

right

c)

middle

d)

bottom

63.

In which groups did Mendeleev most likely place highly-reactive

elements?

a)

IA (Group 1) and VIIA (Group 17)

b)

IA (Group 1) and VIIIA (Group 18)

c)

IIA (Group 2) and VIIIA (Group 17)

64.

Which element has 7 valence electrons?

a)

Na

b)

B

c)

Cl

d)

Xe

65.

Elements within a group have similar properties.

a)

TRUE

b)

FALSE

66.

Igualar

a)

4 Electrones de Valencia

1.

Si

b)

2 Electrones de Valencia

2.

Mg

c)

1 Electron de Valencia

3.

Rb

d)

8 Electrones de valencia

4.

Ne

e)

6 Electrones de Valencia

5.

Se

67.

Where in an atom are the electrons located

a)

Inside the nucleus

b)

Outside the nucleus

68.

What is the atomic number of hydrogen?

a)

0

b)

1

c)

2

d)

3

69.

Which equation do we use when trying to find # of neutrons?

a)

APE

b)

MAN

c)

APE - MAN

d)

Atomic number only

70.

Which number is the atomic mass number?

a)

The top one

b)

The bottom one

c)

They're the same

71.

What does the E in APE MAN stand for?

a)

Atomic Number

b)

Atomic Mass

c)

Protons

d)

Electrons

e)

Neutrons

72.

What does the P in APE MAN stand for?

a)

Atomic Number

b)

Atomic Mass

c)

Protons

d)

Electrons

e)

Neutrons

73.

What does the A in APE MAN stand for?

a)

Atomic Number

b)

Atomic Mass

c)

Protons

d)

Electrons

e)

Neutrons

74.

Label the element tile

75.

Which group numbers do NOT follow the same rules as the rest of the groups in the periodic table to determine the number of valence electrons?

a)

groups 1 and 2

b)

group 8

c)

groups 5-7

d)

groups 3-12

76.

Chose all properties of metal:

a)

Brittle

b)

Shiny

c)

Malleable

d)

Good Conductors

e)

Ductile

77.

Chose all properties of

non-metal:

a)

Brittle

b)

Dull

c)

Malleable

d)

Good Conductors

e)

Insulator

78.

Where are metalloids located on the periodic table?

a)

Right side of periodic table

b)

Left side of periodic table

c)

zig-zag line of periodic table

d)

none of the above

79.

Chose all properties of

metalloids:

a)

can be Brittle

b)

can be shiny

c)

can be Malleable

d)

Semi-conductor

e)

can be Insulator

80.

The ability of a material to be hammered into sheets

a)

Conductivity

b)

Malleability

c)

Luster

81.

The appearance of a material when it reflects light

a)

Conductivity

b)

Malleability

c)

Luster

82.

I have properties of both metals and nonmetals

a)

Metals

b)

Metalloids

c)

Non Metals

83.

Match the following

a)

Group 18

1.

Noble Gases

b)

Group 1

2.

Alkali Metals

c)

Group 2

3.

Alkaline Earth Metals

d)

Groups 3-12

4.

Transition metals

e)

Group 17

5.

Halogens

84.

choose the metalloid element

a)

Alumunium

b)

Germanium

c)

Silver

d)

Helium

85.

According to the diagram, which list represents elements that share the most similar chemical properties?

a)

O, Se, and Kr

b)

Se, Cl, and Ne

c)

S, Cl, and Ar

d)

Ne, Ar, and Kr