Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
Practice Quiz – Ch.1 and Ch.2
/80
Multiple Choice (1 mark each):
*Please circle the best answer
1) A student splashed some chemicals into his eyes. Which of the following
describes the proper procedure that he should take next?
a) Rub his eyes.
b) Stop, drop and roll.
c) Dry his eyes with paper towel.
d) Wash his eyes immediately with water for 15 minutes.
2) Which of the following describes the proper way to smell a substance?
a) Directly breathe in the fumes for at least 2 minutes.
b) Stick your nose in the container and inhale the fumes.
c) Hold the container at arm’s length and waft the fumes towards you.
d) Hold the container directly under your nose and breathe in the fumes.
3) Which of the following should you do when you are working with an open
flame?
a) Tie long hair back.
b) Roll up long sleeves.
c) Leave the flame unattended.
d) a, b, and c.
e) a and b only.
4) Kinetic energy is the energy of:
a) Motion
b) Space
c) Chemicals
Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
5) Which of the following describes what happens when heat is added to a
substance?
a) Particles lose kinetic energy and move faster.
b) Particles gain kinetic energy and move faster.
c) Particles gain kinetic energy and move slower.
d) Particles lose kinetic energy and move slower.
6) Matter is anything that has:
a) Mass
b) Volume
c) Substance
d) a and b
7) Chemical change occurs when substances react to form:
a) New substances
b) No new substances
c) Chemicals
d) Atoms
8) Physical change occurs when substances react to form:
a) New substances
b) No new substances
c) Chemicals
d) Atoms
9) Which of the following is NOT a subatomic particle:
a) Neutron
b) Proton
c) Atom
d) Electron
Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
10) Which of the following chemical symbols are INCORRECT:
a) Na
b) FE
c) Mg
d) Li
11) Which of the following statements is NOT a part of the Kinetic
Molecular Theory?
a) All matter is made up of very small particles.
b) There is empty space between particles.
c) As particles move faster their mass decreases.
d) Particles are constantly moving.
e) Energy makes particles move.
Use this element to answer the following questions
12) What does “11” refer to?
a) Ion charge
b) Atomic mass
c) Atomic number
d) Chemical number
13) What does “+” refer to?
a) Ion charge
b) Atomic mass
c) Atomic number
d) Chemical number
14) What does “23.0” refer to?
a) Ion charge
b) Atomic mass
c) Atomic number
d) Chemical number
11
Na
Sodium
23.0
+
Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
15) How many protons does Na have?
a) 11
b) 24.3
c) 2
d) 5
16) Which of the following elements are the most reactive?
a) Li
b) Na
c) K
d) Cs
17) Which of the following elements are the most reactive?
a) F
b) Cl
c) Br
d) I
18) Vertical
columns are called:
a) Periods
b) Groups
c) Chemical families
d) b and c
19) Horizontal
rows are called:
a) Periods
b) Groups
c) Chemical families
d) b and c
20)
The third electron shell can hold a maximum:
a) 8 electrons
b) 12 electrons
c) 2 electrons
d) 18 electrons
Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
True or False (1 mark each):
*Indicate if the statement is true or false by writing either T or F in the
space provided.
21) The volume of a gas is not fixed; it depends on the shape of the
container. ___
22)
A pure substance is made up of only one kind of matter. ___
23)
Solid, liquid, gas, and melting point are all states of matter. ___
24)
Solids have a fixed shape. ___
25)
Particles in cold objects have low kinetic energy. ___
26)
Physical properties can be observed or measured. ___
27)
The atom is the smallest particle of an element that still maintains
the properties of the element. ___
28)
All protons have -1 charge. ___
29)
The atom is mostly made up of empty space. ___
30)
Noble gases (group 18) are highly reactive. ___
31)
The atomic number and number of protons are always different. ___
32)
Alkaline earth metals are more reactive that Alkali metals.___
33)
An ion is an atom that has lost or gained electrons.___
34)
The shell closest to the nucleus is called the valence shell. ___
35)
Na has more protons than K. ___
Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
Fill in the blank (1 mark for each blank):
*Please fill the indicated boxes with the correct term
36.
37.
State of matter
Shape
Volume
Space between
particles
Movement of
particles
Fixed
Not Fixed
Fixed
Particles are far
apart
Particles slip and
slide
Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
38.
Valence electrons
Mg
12p
39. Atoms that _______ electrons have a negative charge.
40. Atoms that _______ electrons have a positive charge.
41. The first electron shell can hold a maximum of ___ electrons.
42. The second and third electron shell can hold a maximum of ___electrons.
43. The fourth electron shell can hold a maximum of ___ electrons.
Long answer
44. Please use the following terms to label the element (5 marks).
 Atomic number
 Atomic mass
 Chemical symbol
19
 Chemical name
 Ion charge
+
K
Potassium
39.1
45. Please draw a Bohr model diagram of a Fluorine atom (5 marks).
Science 9
Unit 1: Atoms, Elements, and Compounds M. Harvey 2013
Name: __________________
Date: ____________
46. Please draw a Bohr model diagram of a Fluorine ion (5 marks).
47. Why does the periodic table include a category of metalloids? (2 marks)
48. What is the atomic mass of: (5 marks)
a) Lithium ______
b) Copper ______
c) Silicon ______
d) Mercury ______
e) Iron _______
49. Why are Noble gases so stable? (2 marks)
*Hint: think about their electrons
50. Why would sodium metal not be good material to use for a drinking glass?
(2 marks)