wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chem Unit 5: Geometry, Polarity, Acids/Bases, Reactions

Total questions: 65

Worksheet time: 33mins

Name
Class
Date
1.

What causes molecules to have their predictable shapes?

a)

electrons repel each other

b)

protons repel each other

c)

electrons and protons attract each other

d)

neutrons repel both protons and electrons

2.

What will the AXE be for this molecule?

a)

AX3

b)

AX3E1

c)

A3X

d)

AXE3

3.

What will the AXE be for this molecule?

a)

AX4

b)

AX4E2

c)

A4X4

d)

AX6

4.

What is the steric number of an AX3E2 molecule?

a)

3

b)

2

c)

5

d)

6

5.

What is the steric number of an AX2E1 molecule?

a)

1

b)

2

c)

3

d)

4

6.

Electron domain geometry is based on...

a)

how many regions are around the central atom

b)

just how many lone electron pairs are around the central atom

c)

just how many atoms are around the central atom

7.

Molecular geometry is based on...

a)

how many regions are around the central atom

b)

just how many lone electron pairs are around the central atom

c)

just how many atoms are around the central atom

8.

When drawing molecules in 3D, a darkened triangle means the atom is...

a)

pointing towards you

b)

pointing away from you

c)

in the same plane as the central atom

9.

When drawing molecules in 3D, a dotted line means the atom is...

a)

pointing towards you

b)

pointing away from you

c)

in the same plane as the central atom

10.

When drawing molecules in 3D, a straight line means the atom is...

a)

pointing towards you

b)

pointing away from you

c)

in the same plane as the central atom

11.

What is H2O's electron domain geometry? (You'll need the molecular geometry chart.)

a)

tetrahedral

b)

bent

c)

trigonal planar

d)

linear

12.

What is SO3's molecular geometry? (You'll need the molecular geometry chart.)

a)

octahedral

b)

bent

c)

trigonal planar

d)

trigonal bipyramidal

13.

Will this AX4E1 molecule be polar or nonpolar?

a)

nonpolar

b)

polar

14.

Will this AX6 molecule be polar or nonpolar?

a)

polar

b)

nonpolar

15.

In a bond between C and O, oxygen will be... (You'll need the electronegativity chart.)

a)

partially positive

b)

partially negative

16.

A dipole arrow points towards the...

a)

partially negative side

b)

partially positive side

17.

The δ+ symbol above the C here means that...

a)

C stole an electron from F

b)

C gave an electron away to F

c)

C is sharing electrons with F, but the electrons hang out around C more

d)

C is sharing electrons with F, but the electrons hang out around C less

18.

The O-O bond in O2 is a(n)...

a)

ionic bond

b)

polar covalent bond

c)

nonpolar covalent bond

19.

The bond between H-F is a(n)...

a)

ionic bond

b)

polar covalent bond

c)

nonpolar covalent bond

20.

In H-F, which atom is partially positive? (You'll need an electronegativity chart.)

a)

H

b)

F

21.

What is the molecular geometry of ammonia, NH3?

a)

trigonal pyramidal

b)

trigonal planar

c)

octahedral

d)

tetrahedral

22.

In which direction would the dipole arrow point? (You will need an electronegativity chart.)

a)

towards C

b)

towards O

23.

As a general rule, electronegativity increases as you get closer to the ___ corner of the periodic table.

a)

top right

b)

top left

c)

bottom right

d)

bottom left

24.

Electronegativity is...

a)

how strongly atoms pull on electrons

b)

how strongly atoms repel electrons

c)

how willing an atom is to lose its electrons

d)

how many valence electrons an atom has

25.

Intermolecular forces...

a)

hold atoms together to form molecules

b)

make molecules attract to each other

26.

___ are the strongest of the intermolecular forces.

a)

Hydrogen bonds

b)

London dispersion forces

c)

Dipole-dipole interactions

27.

___ are the weakest of the intermolecular forces.

a)

Hydrogen bonds

b)

London dispersion forces

c)

Dipole-dipole interactions

28.

Which type of intermolecular force is the result of temporary partial charges due to the random locations of electrons?

a)

Hydrogen bonds

b)

London dispersion forces

c)

Dipole-dipole interactions

29.

Which type of intermolecular force exists where there is a large difference in electronegativity?

a)

Hydrogen bonds

b)

London dispersion forces

c)

Dipole-dipole interactions

30.

Which type of intermolecular force can nonpolar substances have? Check all that apply.

a)

Hydrogen bonds

b)

London-dispersion forces

c)

Dipole-dipole interactions

31.

Which type of intermolecular force does water have? Check all that apply.

a)

Hydrogen bonds

b)

London-dispersion forces

c)

Dipole-dipole interactions

32.

If a chemical is soluble, that means it...

a)

repels electrons

b)

can be dissolved

c)

is nonpolar

d)

steals electrons

33.

Water cannot dissolve ___, like oils.

a)

polar

b)

nonpolar

34.

Substances dissolve in water when water molecules surround them due to...

a)

attraction to their charges

b)

interactions with their photon's frequencies

c)

similarities in their atomic mass

d)

differences in density

35.

If water does not stick to a substance, that substance is called...

a)

hydrophobic

b)

hydrophilic

c)

homogeneous

d)

heterogeneous

36.

If a solution cannot hold any more solute, it is...

a)

saturated

b)

diluted

c)

hydrophobic

d)

insoluble

37.

Two aqueous solutions mix and a solid forms. This solid is called a(n)...

a)

soluble

b)

precipitate

c)

emulsifier

d)

colloid

38.

Soaps and detergents contain molecules called ___ that have hydrophobic and hydrophilic sides, and can make oils and water mix.

a)

saturates

b)

precipitates

c)

emulsifiers

d)

electronegatives

39.

Acids are chemicals that produce ___ ions when dissolved in water.

a)

H+

b)

OH-

c)

CO32-

d)

Cl-

40.

Bases are chemicals that produce ___ ions when dissolved in water.

a)

H+

b)

OH-

c)

CO32-

d)

Cl-

41.

Alkali is a synonym for...

a)

acid

b)

base

c)

water

d)

neutral

42.

What pH is neutral?

a)

0

b)

7

c)

14

d)

3

43.

Which of these chemicals is the most basic?

a)

pH 3

b)

pH 7

c)

pH 9

d)

pH 12

44.

Which of these chemicals is the most acidic?

a)

pH 2

b)

pH 4

c)

pH 8

d)

pH 10

45.

pH 2 is ___ times stronger than pH 5

a)

3

b)

10

c)

30

d)

1000

46.

An acid base reaction always produces...

a)

CO2 and H2O

b)

H2O and a salt

c)

CO2 and a salt

d)

CO2 and O2

47.

To start a reaction, there must be enough ___ present.

a)

activation energy

b)

catalysts

c)

precipitates

d)

electronegativity

48.

Which of these does NOT increase the rate of a chemical reaction?

a)

stirring

b)

adding a catalyst

c)

cooling it down

d)

increase pressure

49.

In which type of reaction does one ion take the place of another in a compound?

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

50.

In which type of reaction do cations and anions of two compounds switch places?

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

51.

In which type of reaction does an organic compound burn with O2?

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

52.

In which type of reaction do two substances mix to produce a larger compound?

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

53.

In which type of reaction does a compound split into smaller components?

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

54.

Which type of reaction occurred here?

2H2O2 → 2H2O + O2

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

55.

Which type of reaction occurred here?

Mg + 2Cl → MgCl2

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

56.

Which type of reaction occurred here?

Ag + FeSO4 → AgSO4 + Fe

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

57.

Which type of reaction occurred here?

CH4 + 2O2 → 2H2O + CO2

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

58.

Which type of reaction occurred here?

CaF2 + K2CO3 → CaCO3 + 2KF

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

59.

A combustion reaction always produces...

a)

CO2 and H2O

b)

H2O and a salt

c)

CO2 and a salt

d)

CO2 and O2

60.

Acid-base neutralizations are a type of ___ reaction.

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

e)

double replacement

61.

What products would be produced by a reaction between HNO3 and NaOH?

a)

H2O and NaNO3

b)

HNa and NHO4

c)

H2Na and NO4

d)

H2NO3 + NaO

62.

What products would be produced by a reaction between K and SrBr2?

a)

KSr and Br

b)

KBr and Sr

c)

KSrBr

d)

SrBr and KBr

63.

What products would be produced in a reaction between C8H18 and O2?

a)

H2CO3 and C(OH)4

b)

H2O and CO2

c)

CO + CO2 + CO3 + OH

d)

H2 + CO2 + OH

64.

What products would be produced by the decomposition of BeO?

a)

Be and O

b)

Be and O2

c)

Be2 and O

d)

Be2O4

65.

What products would be produced by the reaction between Li and S?

a)

LiS

b)

Li2S

c)

LiS2

d)

Li3S2

Similar Resources on Wayground

Periodic Table Test

70 questions

Periodic Table Test

quiz

Worksheet

•

9th - 12th Grade

The Periodic Table - PAP

61 questions

The Periodic Table - PAP

quiz

Worksheet

•

10th Grade

Ionic Nomenclature

67 questions

Ionic Nomenclature

quiz

Worksheet

•

10th - 12th Grade

18.1.1 P Rates and Factors

66 questions

18.1.1 P Rates and Factors

quiz

Worksheet

•

10th Grade - University

Q1 Topic 1 and 2

60 questions

Q1 Topic 1 and 2

quiz

Worksheet

•

9th - 12th Grade

Chemistry Chapter 2- Properties of Matter

61 questions

Chemistry Chapter 2- Properties of Matter

quiz

Worksheet

•

9th - 10th Grade

Stoichiometry Practice

64 questions

Stoichiometry Practice

quiz

Worksheet

•

10th - 12th Grade

Midterm Review

68 questions

Midterm Review

quiz

Worksheet

•

10th Grade