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8.P.1.1 and 8.P.1.2 Test Review

Total questions: 74

Worksheet time: 45mins

Name
Class
Date
1.
Structural differences between different chemicals can be represented in models of the particles. Which drawing BEST represents a compound?
a)
b)
c)
d)
2.

An example of a pure substance is

a)

gold

b)

salad

c)

sweet tea

d)

electron clouds

3.

The center of an atom is called the

a)

proton

b)

electron

c)

neutron

d)

nucleus

4.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
5.

This picture represents which of the following?

a)

A single element

b)

Mixture of molecules

c)

mixture of atoms

d)

mixture of compounds

6.

protons are

a)

located in the nucleus and have a positive charge

b)

located in the nucleus and have a negative charge

c)

the most important part of an atom

d)

atoms

7.

Identify the heterogeneous mixture

a)

sweet tea

b)

salad

c)

jello

d)

gold

8.

Brass is a metal that can be silver to gold. It is formed by combining, not chemically, two elements, zinc and copper. Based on the information, how would brass be classified?

a)

an element

b)

compound

c)

mixture

d)

suspension

9.

Because an element can not be broken down into a simpler substance, it is considered to be

a)

a chemical impurity

b)

a chemical substance

c)

a pure substance

d)

unbreakable

10.

What does this illustrate

a)

Mixture of Molecule and Compounds

b)

Compunds

c)

Mixture of Elements and Compunds

d)

Mixture of Compounds

11.
With which element would Fluorine most likely bond?
a)
Nitrogen
b)
Lithium
c)
Sulfur
d)
Iodine
12.

Identify the homogeneous mixture

a)

milk

b)

trail mix

c)

calcium

d)

sugar

13.

Which of the following is not a compound

a)

aluminum (Al)

b)

salt (NaCl)

c)

water (H2O)

d)

sugar (C6H12O6)

14.

Which of the three subatomic particles has the smallest mass?

a)

proton

b)

neutron

c)

electron

15.

Which particles make up the nucleus of an atom? (you can choose more than one answers)

a)

proton

b)

electron

c)

neutron

16.

electrons are

a)

located in the nucleus and have a positive charge

b)

located in the nucleus and have a negative charge

c)

located in the electron cloud and have a negative charge

d)

located in the electron cloud and have a positive charge

17.

The basic building blocks of most of the matter around you.

a)

elements

b)

protons

c)

atoms

d)

electrons

18.

Carbon and oxygen combine chemically to form carbon dioxide. Carbon dioxide is

a)

an ion

b)

a nucleus

c)

a compound

d)

an atom

19.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
20.

Neutrons have the same mass as protons do

a)

true

b)

false

21.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
22.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

23.
Two substances physically combined and that appears the same throughout is classified as
a)
A homogeneous mixture
b)
A heterogeneous mixture
c)
An element
d)
  A compound
24.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
25.
What is matter?
a)
Anything that has mass and occupies space
b)
Anything that has mass
c)
Anything that is made of air
d)
ALL of them 
26.

What does the C represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

27.
Which pair of elements has the most similar properties?
a)
Li and B
b)
I and Ca
c)
K and He
d)
N and P
28.
Which elements are most likely to react in the same manner in a chemical reaction?
a)
elements in the same group
b)
elements in the same period
c)
elements with similar atomic masses
29.

If an element has no electrons to share, is considered unreactive and is stable, what family is it found in?

a)
alkali metals
b)
noble gases
c)
halogens
30.
Why are certain elements placed into the same column on the periodic table?
a)

They have the same number of electrons in their outer shell.

b)
They have the same number of electrons in their nuclei.
c)

They have the same number of electrons in all there shells.

31.
Which property is unique for each element?
a)
mass number
b)
atomic number
c)
state of matter
32.

Who created the periodic table of elements?

a)

John Dalton

b)

Hennig Brand

c)

Antoine Lavoisier

d)

Dmitri Mendeleev

33.
Which elements would have similar properties to those of potassium?
a)
lithium and sodium
b)
bromine and krypton
c)
calcium and scandium
34.
Which element is in the same family as chlorine (Cl) and fluorine (F)?
a)
hydrogen (H)
b)
lithium (Li)
c)
oxygen (O)
d)
bromine (Br)
35.
On the periodic table, in which group is the metalloid silicon found?
a)
Group 3
b)
Group 14
c)
Group 15
36.

The number of protons and neutrons in the atom is its

a)

atomic mass.

b)

atomic number.

c)

atomic power.

d)

atomic clock.

37.

How are elements ordered in the modern periodic table?

a)

by date of discovery

b)

by decreasing atomic mass

c)

by increasing atomic number

d)

by alphabetical order of element symbols

38.

The periodic table contains rows and columns. What are the horizon rows called?

a)

groups

b)

families

c)

columns

d)

periods

39.

How many periods does the periodic table contain?

a)

7

b)

8

c)

9

d)

10

40.

What are the columns of the periodic table called?

a)

periods

b)

rows

c)

tables

d)

groups or families

41.

Which statement BEST describes the organization of the periodic table of the elements?

a)

All gases are grouped together.

b)

Gases easily form compounds with other elements.

c)

Elements within a group have similar properties.

d)

Elements within a period have the same number of electrons.

42.

How many groups does the periodic table contain?

a)

2

b)

3

c)

18

d)

32

43.

Properties such as magnetism, luster, and malleability have been used to group together which category of elements on the periodic table?

a)

metals

b)

nonmetals

c)

metaloids

d)

noble gases

44.
As you move down the first group, reactivity _________.
a)
Increases
b)
Decreases
c)
Stays the same
d)
They are all inert
45.

What general category describes the majority of the elements in the periodic chart?

a)

metals

b)

liquids

c)

nonmetals

d)

gases

46.

The physical properties of element X are shown below.


malleable

ductile

shiny

conducts heat and electricity


Which most likely represents the identity of element X?

a)

carbon (C)

b)

copper (Cu)

c)

Iodine (I)

d)

Sulfur (S)

47.

If a highly-reactive metal with one valence electron is discovered, in which group would the element best fit?

a)

group 1

b)

group 2

c)

group 17

d)

group 18

48.

Electrons located in an atom's outer most electron shell.

a)

electrolysis

b)

valence electrons

c)

electronics

d)

election

49.

In which groups did Mendeleev most likely place highly-reactive elements?

a)

group 1 (IA) and group 17 (VIIA)

b)

group 1 (IA) and group 18 (VIIIA)

c)

group 2 (IIA) and group 18 (VIIIA)

50.

Where are the most reactive metals located on the periodic table?

a)

period 2 on the periodic table

b)

periods 6 and 7 on the periodic table

c)

group 1 on the periodic table

d)

group 17 on the periodic table

51.

Where on the periodic table are you most likely to find elements that do not react with other elements?

a)

group 1

b)

group 2

c)

group 17

d)

group 18

52.

Which element has 7 valence electrons?

a)

hydrogen (H)

b)

fluorine (F)

c)

lead (Pb)

53.
Sodium reacts with water. Which element is most likely to have a similar effect to sodium if it is exposed to water?
a)
carbon
b)
oxygen
c)
lithium
54.

Where are the most reactive nonmetals located on the periodic table?

a)

Period 1 on the Periodic table

b)

Period 6 and 7 on the periodic table

c)

Group 1 on the periodic table

d)

Group 17 on the periodic table

55.

If an element has no electrons to share and is stable, what family is it found in?

a)

alkali metals

b)

noble gasses

c)

halogens

56.

Which pair of elements has the most similar properties?

a)

Li and B

b)

I and Ca

c)

K and He

d)

N and P

57.

How many periods does the periodic table contain?

a)

7

b)

8

c)

9

d)

10

58.

If a highly-reactive metal with one valence electron is discovered, in which group would the element best fit?

a)

group 1

b)

group 2

c)

group 17

d)

group 18

59.

The 18 vertical columns on the Periodic Table are known as ______________.

a)

periods

b)

rows

c)

families

d)

metals

60.
How many valence electrons do all elements in the Carbon family have?
a)
6
b)
5
c)
4
d)
7
61.

Which pair of elements would most likely have similar properties?

a)

Calcium (Ca) and cobalt (Co)

b)

sodium (Na) and chlorine (Cl)

c)

boron (B) and phosphorus (P)

d)

oxygen (O) and sulfur (S)

62.

Which two elements are in the same period?

a)

boron (B) and lithium (Li)

b)

beryllium (Be) and calcium (Ca)

c)

phosphorus (P) and oxygen(O)

d)

boron (B) and phosphorus (P)

63.

Metals are located on the

________ side of the

Periodic Table.

a)

ZIG-ZAG

b)

LEFT

c)

RIGHT

d)

BOTTOM

64.

Find the element on Period 3 and Group 17. What is

this element’s chemical symbol?

a)

F

b)

Br

c)

Cl

d)

I

65.

Why are certain elements placed into the same column on the periodic table?

a)

They have the same number of protons in their nuclei.

b)

They have the same number of electrons in their nuclei.

c)

They have the same number of electrons in their outer shell.

66.

An engineer needs a hard, non-magnetic semiconductor. Which element would best fit this description?

a)

aluminum (Al)

b)

carbon (C)

c)

silicon (Si)

d)

silver (Ag)

67.

In trying to identify a sample of a highly reactive nonmetal.

With which elements would this sample most likely be found on the periodic table?

a)

silicon (Si) and phosphorous (P)

b)

neon (Ne) and radon (Rn)

c)

sodium (Na) and magnesium (Mg)

d)

fluorine (F) and bromine (Br)

68.
How many valence electrons does magnesium have?
a)
1
b)
2
c)
12
d)
24
69.
How many valence electrons does Neon have?
a)
18
b)
8
c)
10
d)
2
70.
With which element will Hydrogen most likely bond?
a)
Chlorine
b)
Sulfur
c)
Argon
d)
Silicon
71.
With which group would Group 2 most likely bond?
a)
Group 1
b)
Group 2
c)
Group 16
d)
Group 17
72.
With which group would Group 15 most likely bond?
a)
Group 13
b)
Group 14
c)
Group 16
d)
Group 18
73.
With which element would Calcium most likely bond?
a)
Nitrogen
b)
Neon
c)
Sulfur
d)
Iodine
74.
With which group would Group 18 most likely bond?
a)
Group 1
b)
Group 2
c)
Group 13
d)
None

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