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Worksheets

Quarter 2 TEST Weeks 1-5

Total questions: 40

Worksheet time: 1hrs 29mins

Name
Class
Date
1.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
2.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
3.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
4.

All of the following are elements EXCEPT:

a)

carbon

b)

nitrogen

c)

oxygen

d)

water

5.
Are these molecules also compounds?
a)
YES
b)
NO
6.
Are these molecules also compounds?
a)
YES
b)
NO
7.
This picture represents which of the following?
a)

molecule

b)
compound
c)
mixture
8.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
9.
From the diagram, which particles are indicated with the arrow?
a)
electrons and protons
b)
protons and neutrons
c)
electrons and neutrons
d)
photons and nucleons
10.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
11.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

12.

The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds

a)

alkali metals (group 1)

b)

Halogens (Group 17)

c)

atomic number

d)

valence electrons

13.

What is the name of the element? (Periodic table will be needed)

a)

sodium

b)

magnesium

c)

vanadium

14.
The number of protons in an atom of Bromine.
a)
35
b)
80
c)
45
d)
115
15.

In an element box, the number at top is the

a)

atomic number

b)

atomic name

c)

atomic mass

d)

atomic symbol

16.

Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.

a)

positive; negative, neutral

b)

positive, neutral, negative

c)

neutral, negative, positive

d)

negative, neutral, positive

17.

What Group and Period does Chlorine (Cl) belong to?

a)

Group 3, Period 17

b)

Group 2, Period 17

c)

Group 17, Period 3

d)

Group 17, Period 4

18.

What is the atomic number of Lead, Pb? (you can enlarge table)

a)

56

b)

118

c)

28

d)

82

19.

What is the number of neutrons in Tin Sn?

a)

50

b)

68

c)

118

d)

69

20.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
21.

What is NOT true about Iron?

a)

Fe is the chemical symbol.

b)

The atomic mass is 26.

c)

The atomic number is 26.

d)

It has 30 neutrons.

22.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
23.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
24.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
25.

Which of the following examples represents a physical change?

a)
b)
c)
d)
26.

 

Which is an example of a physical

change?

a)

a candle burning

b)

baking a cake

c)

evaporating water

d)

metal rusting

27.

The elements located to the left of the stair-step

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Gases

28.

Which type of element is located to the right of the stair-step?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Semimetals

29.

Which of these elements is a metalloid?

a)

Antimony (Sb)

b)

Aluminum (Al)

c)

Bismuith (Bi)

d)

Oxygen (O)

30.

What element is this?

a)

Argon

b)

Chlorine

c)

Iron

d)

Nitrogen

31.

What is the mass number of this element?

a)

17

b)

18

c)

35

d)

7

32.

What properites do nonmetals have in common?

a)

Poor conductor of electricity

b)

Good conductor of thermal energy

c)

Soft and Malleable

d)

Shiny, lustrous surface

33.

I am shiny and a good conductor of heat.

a)

metals

b)

nonmetals

c)

metalloids

34.

In ionic bonding, valence electrons are _______.

a)

shared

b)

transferred

c)

destroyed

35.

In covalent bonding, valence electrons are ______.

a)

shared

b)

transferred

c)

destroyed

36.

Which of these is a simple molecule?

a)
b)
c)
d)
37.

Check both of the Extended Structures

a)
b)
c)
d)
38.

Which describes malleability?

a)

cannot be beaten into a shape

b)

can be beaten into a shape

c)

shiny

d)

dull

39.

Luster, Conductivity, and Malleability

a)

elements on the Periodic Table of Elements

b)

physical properties

c)

compare

40.

The chemical symbol in this element box is

a)

26

b)

Fe

c)

Iron

d)

55.845

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