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Chem S1 Review (first day back)

Total questions: 112

Worksheet time: 22mins

Name
Class
Date
1.

What is this piece of lab equipment called?

a)

Beaker

b)

Graduated cylinder

c)

Test tube

d)

Funnel

2.

What is the name of this piece of equipment?

a)

Thermometer

b)

Bunsen burner

c)

Beaker

d)

Googles

3.

What should you do if there is an accident during a lab?

a)

Clean it up

b)

Notify the teacher immediately

c)

Pretend it never happened

d)

Keep quiet

4.

The following footwear is required in the lab ________.

a)

Sandals.

b)

Open-toe shoes.

c)

Closed-toe shoes.

d)

Shoes appropriate for the weather.

5.
What is used to protect your eyes from chemicals, broken glass, and fire?
a)
Fire blanket
b)
Eye wash
c)
Goggles
d)
Flask
6.
Identify the equipment shown here:
a)
graduated cylinder
b)
Erlenmeyer flask
c)
beaker
d)
volumetric flask
7.
a)

hat rack

b)

scale

c)

thingamabob

d)

test tube rack

8.

Follow all directions (written and oral) given by your teacher.

a)

true

b)

false

9.

What should you do if you break a piece of glassware?

a)

Pick it up with your hands

b)

Leave it on the floor

c)

Notify the teacher immediately

d)

Throw it in the trash

10.

What should you do before starting any lab experiment?

a)

Read the instructions carefully

b)

Start mixing chemicals

c)

Ask your friend for help

d)

Ignore the teacher's instructions

11.

What should you do if you don't understand the lab instructions?

a)

Guess and proceed

b)

Ask the teacher for clarification

c)

Ignore the instructions

d)

Ask a friend

12.

This variable in an experiment is the one being deliberately changed by the scientist.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

13.

A possible explanation to a problem that has not yet been tested.

a)

data

b)

theory

c)

hypothesis

d)

fact

14.

Should experiments be repeated over and over to see if the results are the same each time?

a)

yes

b)

no

15.

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

a)

quantitative

b)

qualitative

16.

There are two types of data. Which type of data involves descriptions that cannot be counted or measured?

a)

qualitative

b)

quantitative

17.

A series of steps used by scientists to solve a problem or answer a question.

a)

scientific method

b)

recipe

c)

data collection

d)

metric system

18.

Two types of data scientists collect are...

a)

hypothesis and theory

b)

qualitative and quantitative

c)

myths and fables

d)

metric and standard measurements

19.

Measuring the number of times a person breathes after exercise involves ____ data.

a)

quantitative

b)

qualitative

20.

Jane Goodall recorded how chimpanzees hunt bushpigs, this type of data is called ___

a)

qualitative

b)

quantitative

c)

field study

d)

observation

21.

Jane Goodall recorded 40 chimps living in a community, this is ____ data.

a)

quantitative

b)

qualitative

c)

observation

d)

field study

22.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

a)

distance traveled by the ball

b)

height of the ramp

c)

mass of the ball

d)

weight of the ball

23.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.

a)

height of the ramp

b)

distance traveled by the ball

c)

mass of the ball

d)

weight of the ball

24.

Why do scientist use the scientific method?

a)

To make sure they get credit for their discoveries.

b)

To make sure their results are valid and can be performed by other scientists.

c)

So that other scientist don't get mad at them

25.
The information you record in an experiment is called your ____________.
a)
data
b)
conclusions
c)
notebook
d)
inquiry
26.

How many periods are in the periodic table?

a)

18

b)

13

c)

7

d)

22

27.

The atomic number is the number of ___ in the atom's nucleus.

a)

electrons

b)

neutrons

c)

protons

d)

electrons, protons, and neutrons

28.

The horizontal rows in the periodic table are called __.

a)

shells

b)

layers

c)

regions

d)

periods

29.

Elements in the periodic table are listed in order of their ___.

a)

number of electrons

b)

density

c)

atomic number

d)

discovery

30.

What is the symbol for copper?

a)

Co

b)

Cu

c)

Ag

d)

CU

31.

A group also be called a family.

a)

True

b)

False

32.

The periodic table is useful for predicting properties of elements.

a)

True

b)

False

33.

Elements in the same periods share similar properties.

a)

True

b)

False

34.

The number found below the chemical name is the ___.

a)

number of protons

b)

atomic number

c)

atomic mass

d)

number of electrons

35.

How many groups make up the periodic table?

a)

4

b)

10

c)

18

d)

8

36.

Alkali and Alkaline Metals are .....

a)

Reactive

b)

Non Reactive

c)

Dense

d)

Non-Dense

37.

Group ____ make up the halogen family.

a)

17

b)

Transition Metals

c)

10

d)

Noble Gases

38.

___ elements make the stair step of the periodic table.

a)

Non Metals

b)

Alkali Metals

c)

Halogens

d)

Metalloids

39.

Families or Groups have elements with similar ____ and ____ properties.

a)

Physical, Luster

b)

Physical, Chemical

c)

Chemical, Volume

d)

Physical, Color

40.

Atomic number/ positive charge increase by ___ across each period or row.

a)

3

b)

2

c)

1

d)

4

41.

Noble gases on the periodic table ______.

a)

don't react

b)

react

c)

change color

d)

are less dense

42.

What is the symbol for Iron?

a)

Fe

b)

K

c)

Pb

d)

I

43.

What is the symbol for Potassium?

a)

Rn

b)

Po

c)

K

d)

Cs

44.
Adding or subtracting neutrons (charge = 0, mass = 1) makes the element change into an...
a)
ion
b)
mixture
c)
isotope
d)
neutral atom
45.
The atomic number is equal to _.
a)
the number of protons and electrons
b)
the number of neutrons only
c)
the total number of protons and neutrons
d)
the number of protons neutrons and electrons
46.
What is the charge on a lithium atom that looses 1 electron?
a)
+1
b)
0
c)
-1
d)
-2
47.
Is the element shown in this image an ion, isotope or normal atom?
a)
atom
b)
isotope
c)
cation (+ ion)
d)
anion (- ion)
48.
Helium (He atomic number 2) has 2 protons, 2 neutrons, and 2 electrons) is the He element shown above an atom, an element, or an isotope?
a)
atom
b)
cation  (+ ion)
c)
isotope
d)
anion (-)
49.
The atomic mass is equal to _.
a)
the number of protons only
b)
the number of neutrons only
c)
the total number of protons and neutrons
d)
the number of protons, neutrons, and electrons.
50.
What is the net charge on the element shown above? 
(Calcium - atomic number 20)
a)
cation +1 charge
b)
cation +2 charge
c)
anion -1 charge
d)
anion -2 charge
51.
How many protons does this isotope of titanium have? Hint titanium has an atomic number of 22.
a)
48
b)
22
c)
26
d)
70
52.
What element is this?  What is the mass number of this atom?
a)
sodium, 23
b)
magnesium, 23
c)
magnesium, 12
d)
sodium, 11
53.
What is the atomic number of Fe? (click to see image)
a)
26
b)
55.845
c)
56
d)
None of these
54.
Which atom has  4 neutrons?
a)
Li-6
b)
Li-7
c)
Li-8
d)
they have the same # of neutrons
55.
How many neutrons does B (Boron) contain?
a)
5
b)
11
c)
6
d)
10.811
56.
Carbon has an atomic number of 6 and an atomic mass of 12. Which elements are considered isotopes of carbon?
a)
Carbon-12
b)
Carbon-13
c)
Carbon-14
d)
Both Carbon-13 and Carbon-14
57.

When the valence shell of an atom is full, the atoms is chemically _____________.

a)

Full

b)

Radioactive

c)

Stable

d)

Unstable

58.

An atom with an electrical charge is called an _____________.

a)

Atom

b)

Isotope

c)

Covalent

d)

Ion

59.

The electrons found in the outermost shell are called _____________ electrons.

a)

Energy

b)

Valence

c)

Negative

d)

Covalent

60.

A positively charged atom (more protons than electrons) is called a __________.

a)

Anion

b)

Cation

c)

Isotope

61.

A negatively charged atom (more electrons than protons) is called a __________.

a)

Anion

b)

Cation

c)

Isotope

62.

Atoms with the same number of protons but different numbers of neutrons (Carbon 14 and Carbon 12) are called ___________.

a)

Anion

b)

Cation

c)

Isotope

63.

A chemical _____________ is a new substance that forms when atoms of two or more elements are bonded together.

a)

Compound

b)

Isotope

c)

Ion

d)

Formula

64.

____________ bonds form when they share electrons.

a)

Ionic

b)

Covalent

c)

Isotope

65.

______________ bonds form between two oppositely charged ions (cation-anion)

a)

Ionic

b)

Covalent

c)

Isotope

66.

What happens to frequency when wavelength decreases?

a)

stays the same

b)

decreases

c)

increases

d)

There is no relationship between wavelength & frequency.

67.

What is the relationship between frequency and wavelength?

a)

frequency increases, wavelength increases

b)

frequency decreases, wavelength decreases

c)

frequency increases, wavelength decreases

d)

there is no relationship between frequency and wavelength

68.

Which radiation type has the highest energy?

a)

gamma rays

b)

x rays

c)

microwaves

d)

radio waves

69.

Which radiation type has the lowest energy?

a)

gamma rays

b)

x rays

c)

microwaves

d)

radio waves

70.

Which radiation type has the highest frequency?

a)

gamma rays

b)

x rays

c)

microwaves

d)

radio waves

71.

Which radiation type has the lowest frequency?

a)

gamma rays

b)

x rays

c)

microwaves

d)

radio waves

72.

Which radiation type has the shortest wavelength?

a)

gamma rays

b)

x rays

c)

microwaves

d)

radio waves

73.

Which radiation type has the longest wavelength?

a)

gamma rays

b)

x rays

c)

microwaves

d)

radio waves

74.

What element has this electron configuration?

a)

hydrogen

b)

helium

c)

lithium

d)

beryllium

75.

What element has this orbital notation?

a)

lithium

b)

beryllium

c)

boron

d)

carbon

76.

What element has this electron configuration?

a)

helium

b)

lithium

c)

beryllium

d)

boron

77.

What element has this electron configuration?

a)

boron

b)

carbon

c)

nitrogen

d)

oxygen

78.

Which element is represented by this electron configuration?

a)

neon

b)

sodium

c)

magnesium

d)

aluminum

79.

Which of the following is the electron configuration for neon?

a)
b)
c)
d)
80.

What is the element?

a)

sulfur

b)

chlorine

c)

phosphorus

d)

silicon

81.
What is the number of valence electrons for Carbon?
a)
12
b)
6
c)
5
d)
4
82.
How many valence electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
83.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
84.
Is hydrogen considered a metal or a non-metal?
a)
A metal
b)
Nonmetal
c)
Metalloid
85.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
86.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
87.
Ionic or covalent?
NaBr
a)
Ionic
b)
Covalent
88.
Ionic or covalent?
H2O
a)
Ionic
b)
Covalent
89.
Which is most likely to form an ion of -1?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
90.

Ionic or Covalent?

KF

a)

Ionic

b)

Covalent

91.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

92.
What is the proper name for the covalent compound N3F8?
a)
Nitrogen Flouride
b)
Nitrogen Fosfate
c)
Trinitrogen Octaflouride
d)
Nitrogen Pentaflouride
93.
Name this covalent compound: CO
a)
Carbon Oxide
b)
Carbon Monoxide
c)
Colorado
d)
Carbon Oxygenide
94.
What is the proper name for the covalent compound, CCl4
a)
Carbon Chloride
b)
Carbon Quadrachloride
c)
Carbon Tetrachloride
d)
Carbon Dichloride
95.
MgO is an ionic compound. What is its name?
a)
Manganese Oxide
b)
Magnesium Oxide
c)
Magnesium Monoxide
d)
Magnesium(II) Oxide
96.
Beryllium, Be, and chlorine, Cl, form an ionic compound. In order for the compound to be neutral, what must the formula look like?
a)
Be2Cl
b)
2BeCl
c)
BeCl2
d)
Be2Cl2
97.
Determine the number of Significant Figures in 10 L.
a)
4
b)
3
c)
2
d)
1
98.
Determine the number of Significant Figures in 0.000204 kg.
a)
4
b)
3
c)
6
d)
1
99.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
100.
Convert to scientific notation 305,000
a)
3.0500
b)
3.0500 x 105
c)
3.05 x 105
d)
3.05 x 102
101.

Convert 1,800 grams to kilograms.

a)

18 kilograms

b)

1.8 kilograms

c)

180 kilograms

d)

0.18 kilograms

102.

Convert 1.07 meters to centimeters.

a)

107 centimeters

b)

17 centimeters

c)

1070 centimeters

d)

1007 centimeters

103.

What is the first step when solving dimensional analysis problems?

a)

Write out the problem on the t-frame

b)

Multiply your values

c)

Identify your "known" and "unknown"

d)

Cross out units that are opposite each other

104.

How many inches are in 1 mile?


(Hint: 5,280 ft = 1 mile)

a)

66,300 inches

b)

63,360 inches

c)

63,030 inches

d)

66,000 inches

105.
What is the percent by mass of magnesium in MgO?
a)
20%
b)
40%
c)
50%
d)
60%
106.
Find the percent composition of Cu2S?
a)
%Cu= 67.987 %S= 32.013
b)
%Cu= 79.854   %S= 20.145
c)
%Cu= 35.946   %S= 64.054
107.

What is the molar mass of PbSO4?

a)

303.27 g/mol

b)

255.27 g/mol

c)

163.87 g/mol

d)

372.27 g/mol

108.

Which of the following dimensional analysis setups will correctly convert 27.76 g of Li to atoms of Li?

a)

A

b)

B

c)

C

d)

D

109.

How many grams are in 1.2 moles of neon (Ne)?

a)

0.059 grams

b)

7.2 x 1023 grams

c)

2.0 x 10-24 grams

d)

24 grams

110.

What is the molar mass of table salt (NaCl)? Read all options! Be careful!

a)

58.44 amu

b)

35.45 g/mol

c)

22.99 g/mol

d)

58.44 g/mol

111.

Avogadro’s number is:

a)

6.02 x 1022

b)

6

c)

6.02 x 1023

d)

3.01 x 1023

112.

The mass of one mole of an element is equal to

a)

its atomic number from the periodic table, but in amus.

b)

its atomic mass from the periodic table, but in amus.

c)

its atomic mass from the periodic table, but in grams.

d)

its atomic number from the periodic table, but in grams.

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