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October CBA Review

Total questions: 86

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

What type of property can you observe without changing the substance?

(a)  

2.

What type of property can you only observe by changing the substance?

(a)  

3.

Select 3 examples of physical properties.

a)

Color

b)

Flammability

c)

Reactivity

d)

Size

e)

Shape

4.

Select 3 examples of chemical properties.

a)

Color

b)

Flammability

c)

Reactivity

d)

Size

e)

Odor

5.

If you remove some of the substance, the property does not change.

a)

Intensive property

b)

Extensive property

6.

If you remove some of the substance, the property does change.

a)

Intensive property

b)

Extensive property

7.

Which picture represents the molecular arrangement of a gas?

a)
b)
c)
8.

Which picture represents the molecular arrangement of a solid?

a)
b)
c)
9.

Which picture represents the molecular arrangement of a liquid?

a)
b)
c)
10.

Select all properties that are physical.

a)

Blue

b)

50 grams

c)

Density

d)

Boiling point

e)

Acidity

11.

Select all properties that are chemical.

a)

Blue

b)

50 grams

c)

Density

d)

Boiling point

e)

Acidity

12.

Select all properties that are intensive.

a)

Blue

b)

50 grams

c)

Density

d)

Boiling point

e)

Acidity

13.

Select all properties that are extensive.

a)

Blue

b)

50 grams

c)

Density

d)

Boiling point

e)

Acidity

14.

What are the major indicators of a chemical change?

a)

Change in temperature

b)

Odor is produced

c)

Color change

d)

Formation of bubbles

15.

This type of change can change a substance without forming a new substance.

a)

Physical change

b)

Chemical change

16.

This type of change will change the original substance and form a new substance.

a)

Physical change

b)

Chemical change

17.

Select all that apply: State of matter that has a definite shape.

a)

Solid

b)

Liquid

c)

Gas

18.

Select all that apply: State of matter that has an indefinite shape.

a)

Solid

b)

Liquid

c)

Gas

19.

Select all that apply: State of matter that has a definite volume.

a)

Solid

b)

Liquid

c)

Gas

20.

Select all that apply: State of matter that has an indefinite volume.

a)

Solid

b)

Liquid

c)

Gas

21.

Which state of matter is compressible?

a)

Solid

b)

Liquid

c)

Gas

22.

Which state of matter has a variable shape and a fixed volume?

a)

Solid

b)

Liquid

c)

Gas

23.

Which state of matter has particles that take both the shape and volume of its container?

a)

Solid

b)

Liquid

c)

Gas

24.

Which state of matter has the slowest moving particles but has a fixed volume and shape?

a)

Solid

b)

Liquid

c)

Gas

25.

Which state of matter has the fastest moving particles?

a)

Solid

b)

Liquid

c)

Gas

26.

Which state of matter takes the shape of its container but has a definite volume?

a)

Solid

b)

Liquid

c)

Gas

27.

A change in state of matter is a...

a)

physical change

b)

chemical change

28.

What is the phase change called from a solid to liquid?

a)

Freezing

b)

Evaporation

c)

Sublimation

d)

Melting

e)

Deposition

29.

What is the phase change called from a liquid to solid?

a)

Freezing

b)

Evaporation

c)

Sublimation

d)

Melting

e)

Deposition

30.

What is the phase change called from a liquid to gas?

a)

Freezing

b)

Evaporation

c)

Condensation

d)

Melting

e)

Deposition

31.

What is the phase change called from a gas to a liquid?

a)

Freezing

b)

Evaporation

c)

Condensation

d)

Melting

e)

Deposition

32.

What is the phase change called from a solid to a gas?

a)

Freezing

b)

Evaporation

c)

Sublimation

d)

Melting

e)

Deposition

33.

What is the phase change called from a gas to a solid?

a)

Freezing

b)

Evaporation

c)

Sublimation

d)

Melting

e)

Deposition

34.

What is the symbol for an alpha particle?

a)
b)
c)
d)
e)
35.

What is the symbol for a beta particle?

a)
b)
c)
d)
e)
36.

What is the symbol for a gamma particle?

a)
b)
c)
d)
e)
37.

Which radioactive particle has a helium nucleus?

a)

Alpha

b)

Beta

c)

Gamma

38.

Which radioactive particle is an electron with a negative charge?

a)

Alpha

b)

Beta

c)

Gamma

39.

Which radioactive particle is most penetrating?

a)

Alpha

b)

Beta

c)

Gamma

40.

Which picture represents a fission reaction?

a)
b)
41.

Which picture represents a fusion reaction?

a)
b)
42.

In the following fission reaction, identify the missing particle.

a)
b)
c)
d)
43.

Identify the missing product.

a)
b)
c)
d)
44.

Identify the missing product.

a)
b)
c)
d)
45.

Identify the missing particle.

a)
b)
c)
d)
46.

Is this a fission or fusion reaction?

a)

Fission

b)

Fusion

47.

Is this a fission or fusion reaction?

a)

Fission

b)

Fusion

48.

Which two pictures represent pure substances?

a)
b)
c)
d)
49.

Which two pictures represent mixtures?

a)
b)
c)
d)
50.

Which picture represents an element?

a)
b)
c)
d)
51.

Which picture represents a compound?

a)
b)
c)
d)
52.

Which picture represents a homogeneous mixture?

a)
b)
c)
d)
53.

Which picture represents a heterogeneous mixture?

a)
b)
c)
d)
54.

What are the two categories all matter can be organized into?

a)

Homogeneous and heterogeneous

b)

Pure substances and mixtures

c)

Elements and compounds

d)

Matter and more matter

55.

A substance that cannot be decomposed into simpler substances by chemical or physical means is a

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

56.

Two or more substances distributed in such a way the parts are indistinguishable.

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

57.

Two or more substances distributed in visibly distinguishable parts.

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

58.

Carbon is...

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

59.

CO2 is...

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

60.

A bag of various Lego pieces is...

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

61.

Salt dissolved in water is...

a)

an element

b)

a compound

c)

a homogeneous mixture

d)

a heterogeneous mixture

62.

Which scientist performed the Gold Foil Experiment?

a)

John Dalton

b)

J.J. Thompson

c)

Ernest Rutherford

d)

Niels Bohr

63.

Which scientist discovered electrons?

a)

John Dalton

b)

J.J. Thompson

c)

Ernest Rutherford

d)

Niels Bohr

64.

Which scientist discovered atoms combine in fixed ratios?

a)

John Dalton

b)

J.J. Thompson

c)

Ernest Rutherford

d)

Niels Bohr

65.

Which scientist discovered electrons orbit around the nucleus?

a)

John Dalton

b)

J.J. Thompson

c)

Ernest Rutherford

d)

Niels Bohr

66.

Which scientist performed the Cathode Ray Tube experiment?

a)

John Dalton

b)

J.J. Thompson

c)

Ernest Rutherford

d)

Niels Bohr

67.

Which scientist discovered the positively charged nucleus?

a)

John Dalton

b)

J.J. Thompson

c)

Ernest Rutherford

d)

Niels Bohr

68.

Which two particles make up the nucleus of an atom?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Bosons

e)

Fermions

69.

What orbits the nucleus in specific energy levels?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Bosons

e)

Fermions

70.

The nucleus is very (A) and the rest of the atom is mostly (B) space.

a)

(A) negative, (B) positive

b)

(A) large, (B) filled

c)

(A) small, (B) empty

71.

What do all isotopes of the same element have in common? (Pick 2)

a)

Protons

b)

Neutrons

c)

Mass

d)

Atomic Number

72.

What do isotopes of the same element NOT have in common? (Pick 2)

a)

Protons

b)

Neutrons

c)

Mass

d)

Atomic Number

73.

What is the equation for determining the average atomic mass of an element?

a)
b)
c)
74.

A new element, Robinsonium (Ro), has recently been discovered and consists of 2 isotopes. 1st isotope has a mass of 331 amu and is 35.0 % abundant and the 2nd isotope is 337 amu and is 65.0 % abundant. What is the average atomic mass (amu) of Ro?

(a)  

75.

Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?

(a)  

76.

Strontium consists of four isotopes with masses of 84 (abundance 0.40%), 86 (abundance of 11.9%), 87 (abundance of 6.0%), and 88 (abundance of 81.7%). Calculate the atomic mass of strontium.

(a)  

77.

Element Q has two stable isotopes, Q-37 and Q-39. Q-37 has a mass of 36.956 amu and abundance of 24.23%. The other isotope Q-39 has a mass of 38.944 amu and 77.77%. What is the average atomic mass of this element?

(a)  

78.

Which arrow shows the direction atomic size (radius) increases as you progress across a period in the periodic table?

a)
b)
c)
d)
79.

Which arrow shows the direction atomic size (radius) increases as you progress along a group?

a)
b)
c)
d)
80.

Which arrow shows the direction ionization energy increases as you progress across a period in the periodic table?

a)
b)
c)
d)
81.

Which arrow shows the direction ionization energy increases as you progress along a group?

a)
b)
c)
d)
82.

Which arrow shows the direction electronegativity increases as you progress across a period in the periodic table?

a)
b)
c)
d)
83.

Which arrow shows the direction electronegativity increases as you progress along a group?

a)
b)
c)
d)
84.

Which set of arrows best represent the trend in electronegativity?

a)
b)
c)
d)
85.

Which set of arrows best represent the trend in ionization energy?

a)
b)
c)
d)
86.

Which set of arrows best represent the trend in atomic radius?

a)
b)
c)
d)

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