Free Printable Chemistry final

1.

The nucleus of an atom is ___.

a)

Has more protons than neutrons

b)

Negatively charged

c)

Composed of protons and neutrons

2.

Subatomic particle with no charge

a)

Proton

b)

Nucleus

c)

Atom

d)

Electron

e)

Neutron

3.

How many valence electrons do the Alkaline Earth Metals have? They are the second group

a)

2

b)

4

c)

3

d)

5

4.

Which category includes most of the elements?

a)

metals

b)

nonmetals

c)

liquids

d)

gases

5.

In a solution, the substance that causes the dissolving is known as a ________

a)

solute

b)

solvent

c)

suspension

d)

colloid

6.

Which group of the periodic table is composed of inert (not reactive) gases?

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

7.

In a solution, the substance that causes the dissolving is known as a ________

a)

solute

b)

solvent

c)

suspension

d)

colloid

8.

_________ mixtures are evenly blended and appear to be the same throughout.

a)

homogeneous

b)

heterogeneous

9.

The number of electrons in the 2nd principal energy level, n=2, of an atom is:

a)

4

b)

2

c)

8

d)

18

10.

If an atom loses two electrons what charge will it have?

a)

+ 2

b)

- 2

c)

+1

d)

-1

11.

Which element on the periodic table has 15 protons?

a)

germanium Ge

b)

phosphorus P

c)

oxygen O

d)

sulfur S

12.

Isotopes are atoms with different numbers of ________.

a)

protons

b)

neutrons

c)

electrons

13.

An atom contains 12 protons. To ensure the atom is electrically neutral, which of the following must it also possess?

a)

12 neutrons

b)

12 electrons

c)

24 electrons

d)

24 protons

14.

What type of reaction is the equation C + O₂→ CO₂?

a)

Synthesis Reaction

b)

Decomposition Reaction

c)

Single Replacement Reaction

d)

Double Replacement Reaction

15.

What are the group 18 elements called?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Noble gases

d)

Halogens

16.

How many electrons can the first energy level hold?

a)

8

b)

2

c)

1

d)

0

17.

How many valence electrons does group 17 have?

a)

4

b)

5

c)

6

d)

7

18.

Which of the following is a noble gas?

a)

Neon

b)

Magnesium

c)

Calcium

d)

Fluorine

19.

Lead

a)

Le

b)

L

c)

Ld

d)

Pb

20.

What is an hypothesis?

a)

a proven theory

b)

a testable explanation for an observation

c)

a guess not based in reality

d)

pure data

21.

Which of the following is an example of qualitative data?

a)

12.5 kg

b)

rough

c)

100 cm

d)

25.0 mL

22.

If I administer a sugar solution to lab mice, then their health will not change.

This statement is an example of a:

a)

Hypothesis

b)

Theory

c)

Guess

d)

Variable

23.

What are columns in the periodic table called?

a)

periods

b)

groups

c)

sets

d)

octets

24.

What are the rows in the periodic table called?

a)

periods

b)

groups

c)

sets

d)

octets

25.

Elements are arranged by their:

a)

Color

b)

Atomic Mass

c)

Valence Electrons

d)

Atomic Number

26.

You record the temperature in your city every day for a month and compile the results in a table. What type of data have you collected?

a)

Qualitative

b)

Quantitative

c)

Applied

d)

Pure

27.

You conduct an experiment on rainfall and end up with a data table of the color of the rain by region. What type of data is this?

a)

Qualitative

b)

Quantitative

c)

Applied

d)

Pure

28.

Which type of mixture is Powerade an example of?

a)

Heterogenous

b)

Homogenous

c)

Colloidal

d)

Suspension

29.

The substances listed on the left side of a chemical equation are the

a)

Products

b)

Coefficients

c)

Precipitates

d)

Reactants

30.

The elements in Groups 3-12 are also known as:

a)

Halogens

b)

Actinides

c)

Transition Metals

d)

Alkaline Earth Metals

31.

The elements in Group 1 are also known as:

a)

Halogens

b)

Noble Gases

c)

Lanthanides

d)

Alkali Metals

32.

Tin - 50

a)

T

b)

Sn

c)

Si

d)

Tn

33.

If an atom loses an electron it is a(n)

a)

Positive ion

b)

Negative ion

c)

Isotope

d)

Neutral Atom

34.

If an atom gains an electron it is a(n)

a)

Positive ion

b)

Negative ion

c)

Isotope

d)

Neutral Atom

35.

phosphorus trichloride

a)

KCl₃

b)

PCl₃

c)

K₃Cl

d)

P₃Cl

36.

SiCl₄

a)

silicon tetrachloride

b)

silicon quadchloride

c)

monosilicon tetrachloride

d)

silicon chloride

37.

What is the correct chemical formula for Nitrogen Triiodide?

a)

NI₃

b)

N₃I₃

c)

NOI

d)

NeI₃

38.

The covalent compound P₂O₃ would be named

a)

phosphorus oxide.

b)

diphosphorus oxide.

c)

phosphorus trioxide.

d)

diphosphorus trioxide.

39.

What is the formula for Pentaboron Dinitride?

a)

B₅N₂

b)

BN₂

c)

B₂N₅

d)

B₅N

40.

What's the formula for chlorine dioxide

a)

ClO₂

b)

CLO

c)

ClO₃

d)

HClO₂

41.

The chemical formula of dinitrogen pentoxide is

a)

N₂O₅

b)

N₂O₄

c)

NO₂

d)

N₅O₂

42.

The chemical formula of phosphorus pentachloride is

a)

PCl₅

b)

P₅Cl

c)

P(V)Cl

d)

P5Cl

43.

sulfur dichloride

a)

SCl₂

b)

Cl₂S

c)

S₂Cl

d)

ClS₂

44.

Gold

a)

Go

b)

Gl

c)

AU

d)

Au

45.

Pb

a)

Gold

b)

Lead

c)

peanut butter

d)

Paribium

46.

Iron

a)

Ir

b)

In

c)

Fe

d)

FE

47.

Zn + 2 HCl ----> ZnCl₂ + H₂

a)

Synthesis (or combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

48.

Pb(NO₃)₂ --> PbO + NO₂ + O₂

a)

Synthesis (combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

49.

2 NaBr + 1 Ca(OH)₂ ----> 1 CaBr₂ + 2 NaOH

a)

Synthesis (or combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

50.

CaCO₃ ----> CaO + CO₂

a)

Synthesis (or combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

51.

P₄ + 3 O₂ ----> 2 P₂O₃

a)

Synthesis (or combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

52.

How many electrons are in Aluminium?

a)

40

b)

27

c)

13

d)

14

53.

How many neutrons are in Argon?

a)

18

b)

40

c)

58

d)

22

54.

How many electrons can the d sublevel hold?

a)

8

b)

10

c)

2

d)

4

55.

A number written slightly lower and to the right of a chemical symbol that shows the atoms of an element

a)

Coefficient

b)

Superscript

c)

Subscript

d)

Exponent

56.

A Number in front of a chemical formula in an equation that indicated how many molecules or atoms of each reactant and product are in an reaction

a)

Coefficient

b)

Superscript

c)

Exponent

d)

Subscript

57.

Determine the number of significant digits of 4.7500

a)

3

b)

4

c)

5

d)

6

58.

How many significant digits are present in 0.0040700?

a)

2

b)

3

c)

5

d)

6

59.

0.00450

a)

2

b)

3

c)

4

d)

5

60.

Find the number of significant digits in 0.004070

a)

2

b)

3

c)

4

d)

5

61.

How many sig figs are in the following measurements?

010 L

a)

1

b)

2

c)

3

d)

0

62.

The _______ are on the left side of the equation and the _______ are on the right.

a)

products; reactants

b)

reactants; solutions

c)

solvents; products

d)

reactants; products

63.

Steve wanted to test whether different types of fertilizer affected the height of sunflowers. What is the dependent variable

a)

Type of fertilizer

b)

Height of sunflower

c)

type of sun flower

64.

Molly studied whether the age of students affected their ability to pass a driving test. What is the dependent variable?

a)

Type of car

b)

Driving test result

c)

Age of student

65.

The lower the temperature of water, the slower the egg will cook. Select the independent variable.

a)

Slower Egg Cooks

b)

Lower Temperature

66.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

67.

How many atoms are in 5CO₂

a)

7

b)

10

c)

15

d)

12

68.

How many atoms of Oxygen are in CO₂

a)

1

b)

2

c)

3

d)

more than 3

69.

How many different elements are present in CH₃COOH

a)

5

b)

4

c)

3

d)

2

70.

Calculate the number of Oxygen atoms in Al(OH)₃

a)

1

b)

2

c)

3

d)

4

71.

Coefficients in chemical formulas...

a)

Multiply just the first atom

b)

Add to the subscripts at the end of the molecule

c)

Multiply elements without subscripts

d)

Multiply EVERYTHING!

72.

H₂SO₄

a)

H = 2, S = 4, O = 4

b)

H = 2, S = 1, O = 4

c)

H = 8, S = 4, O = 4

d)

H = 2, SO = 4

73.

How many different elements are present in this molecule?

3 NH₄C₂H₃O₂

a)

15

b)

36

c)

5

d)

4

74.

How many Hydrogen are in 4H₂O?

a)

6

b)

8

c)

2

d)

4

Chemistry final

Total questions: 74

Worksheet time: 2hrs 31mins

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