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Atoms & the Periodic Table
Atoms & the Periodic Table
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a review of atoms and the periodic table
Flashcards
99 cards
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Practice quiz
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Questions
99
Answers
1
Elements in the same ___ are more chemically similar.
group
period
table
club
2
Which of these characteristics is a property of metals?
nonconductive
brittleness
malleability
gases at room temperature
3
The number of protons in the nucleus of an atom is which of the following?
ion
atomic number
isotope
electron cloud
4
Which of the following properties is not common to alkaline earth metals?
do not occur naturally
react more quickly than alkali metals
low density
soft and silvery
5
Two characteristics of metals are that they are malleable and ductile. (T or F)
false
true
6
The majority of the space of an atom is taken up by the ___.
nucleus
electron cloud
7
All of the following are characteristics of metals except ___.
hard
dull
shiny
malleable
8
Metalloids conduct heat and electricity only under certain conditions.. (T or F)
true
false
9
Gold can be hammered into thin sheets because of ___.
hammers
density
malleability
luster
10
What is the symbol for the element that has 17 protons?
Au
Cl
Fl
Ar
11
What does ductile mean?
able to be shaped
quacks like a duck
can be drawn into a wire
electricity flows easily
12
Which of the following properties of metals means the ability to reflect light?
compressibility
luster
malleability
ductility
13
Which group of elements has the most reactive metals?
alkaline earth metals
alkali metals
metalloids
halogens
14
Alkali metals ___ with other elements.
react quickly
do not react easily
15
Which groups on the Periodic Table contain metals, nonmetals, and metalloids?
17, 18, 19
12, 13, 14
10, 11, 12
14, 15, 16
16
Nonmetals appear to the ___ of the metalloids on the Periodic Table.
left
right
17
Which of the following elements is the most common element in the universe?
nitrogen
helium
oxygen
hydrogen
18
Which statement about noble gases is correct?
They rarely form compounds in nature.
They form compounds with very bright colors.
They are highly reactive with both metals and nonmetals.
They exist as single atoms rather than as molecules.
19
What does malleable mean?
is shiny
can be used for wire
will break easily
able to be shaped
20
How are protons and neutrons alike?
Both are neutral particles.
Both have less mass than an electron.
Both are charged particles.
Both are in the nucleus.
21
Metals appear to the __ of metalloids on the Periodic Table.
right
left
22
Who?
David S. Pumpkins
The Great Pumpkin
Smashing Pumpkins
Headless Horseman
23
Which particle or particles make up the nucleus?
neutrons
protons
protons and neutrons
electrons and protons
24
Which witch?
Grand High Witch
Grimhilde
Madam Mim
Dorrie the Little Witch
25
A column of elements on the Periodic Table is also called a ___.
group
period
26
Who?
Headless Horseman
The Great Pumpkin
David S. Pumpkins
Smashing Pumpkins
27
Salt has a chemical formula of NaCl. Salt is a ___.
element
mixture
compound
none of these
28
An atom of a Group 18 element is most likely to form a bond with ___.
aluminum
calcium
oxygen
no other elements; it is not reactive
29
Elements in the same group on the Periodic Table have similar ___.
chemical properties
element symbols
atomic masses
element names
30
The electrical charge of a proton is ___.
positive
negative
Visa
neutral
31
One property of nonmetals is that they are a good conductor of electricity. (T or F)
true
false
32
What is the symbol for barium?
N
C
Ba
33
How many protons does barium have?
137
barium
81
56
34
What family is rubidium in?
alkali metals
halogens
noble gases
alkaline earth metals
35
An atom is made up mostly of ___.
gravity
protons
electricity
empty space
36
Which witch?
Grand High Witch
Dorrie the Little Witch
Madam Mim
Grimhilde
37
In the modern Periodic Table, elements are arranged...
...randomly.
...by atomic mass.
...alphabetically.
...by atomic number.
38
A halogen is an element that can react with a metal and form ___.
a salt
a liquid
sulfur
metal
39
Which group of elements has the most stable, nonreactive elements?
metalloids
noble gases
halogens
alkali metals
40
Nonmetals are good conductors of heat and electricity. (T or F)
false
true
41
Which witch?
Dorrie the Little Witch
Madam Mim
Grimhilde
Grand High Witch
42
An atom of a Group 1 element is most likely to form a bond with ___ to form a salt.
argon
potassium
chlorine
calcium
43
All of the following elements conduct electricity. Which is not a metal?
gold
potassium
iron
oxygen
44
Which witch?
Dorrie the Little Witch
Grand High Witch
Grimhilde
Madam Mim
45
What is the family name for Group 1 elements?
halogens
alkali metals
noble gases
alkaline earth metals
46
Who?
The Great Pumpkin
Headless Horseman
Smashing Pumpkins
David S. Pumpkins
47
Who are they waiting for?
The Great Pumpkin
David S. Pumpkins
Headless Horseman
Smashing Pumpkins
48
What family is beryllium in?
halogens
alkali metals
noble gases
alkaline earth metals
49
Which example illustrates the ductility of a metal?
a chunk of gold hammered into a thin sheet
a piece of silver pulled into a thin wire
a copper cable carrying an electric current
a mass of solid aluminum melting in a factory furnace
50
What is the symbol for the element that has 13 protons?
Al
Au
Ne
N
51
What is the atomic number of cobalt?
7
56
27
59.933
52
Which of the following is a small particle that is the building block of matter?
atom
substance
mixture
molecule
53
Two atoms of the same element cannot have different numbers of ___.
protons
particles
electrons
neutrons
54
What is the family name for Group 17 elements?
alkali metals
noble gases
alkaline earth metals
halogens
55
What is the atomic mass of nitrogen?
14.007
7
59.933
137.33
56
Helium and most nonmetals are found in which area of the periodic table?
on the right side
on the left side
in the bottom rows
in the middle
57
In an atom, electrons...
...are paired with neutrons.
...are located in the nucleus.
...are always in the same place in an atom.
...travel outside the nucleus.
58
Which of the listed element pairs have the most similar chemical properties?
K and S
K and Cl
K and Ca
K and Na
59
What family is bromine in?
noble gases
halogens
alkaline earth metals
alkali metals
60
All metals...
...contain iron.
...melt at high temperatures.
...conduct heat and electricity.
...react with air and water.
61
Which group of elements have the most reactive nonmetals?
alkali metals
halogens
alkaline earth metals
noble gases
62
An atom with atomic number 6 would have ___ protons.
3
6
12
cannot be determined
63
A semiconductor has properties of both metals and nonmetals. What type of element is it?
metal
pretty
nonmetal
metalloid
64
An element is made up of only one kind of ___.
isotope
metal
atom
plastic
65
What type of element is nitrogen?
metalloid
nonmetal
metal
66
The large group of elements in the left side of the Periodic Table are ___.
nonmetals
lanthanides
metalloids
metals
67
Which element is a metalloid?
lead
boron
bismuth
aluminum
68
What type of element is barium?
metalloid
nonmetal
metal
69
What is the family name for Group 2 elements?
alkaline earth metals
alkali metals
halogens
noble gases
70
The elements in the second column from the left edge of the Periodic Table are the ___.
alkaline earth metals
halogens
alkali metals
noble gases
71
The majority of the mass of an atom is located in the ___.
nucleus
electron cloud
72
What is the symbol for nitrogen?
14
nitrogen
N
7
73
What is the symbol for the element that has 11 protons?
N
S
Ne
Na
74
If a substance breaks easily, it is said to be ___.
ductile
magnetic
brittle
conductive
75
At room temperature, most of the metals are ___.
malleable
solid
soft
liquids
76
The electrical charge of an electron is ___.
Visa
positive
neutral
negative
77
What family is xenon in?
alkali metals
halogens
noble gases
alkaline earth metals
78
Argon, krypton, and xenon are all nonmetals. What property do they have in common?
soft and malleable
poor conductors of electricity
good conductors of thermal energy
shiny, lustrous surface
79
In general, nonmetals are...
...good conductors of heat.
...good conductors of electricity.
...gases at room temperature
...malleable and ductile.
80
Among the alkali metals, the tendency to react with other substances...
...does not vary greatly among the members of the group.
...decreases from top to bottom within the group.
...varies in an unpredictable way within the group.
...increases from top to bottom within the group.
81
What is the family name for Group 18 elements?
noble gases
alkaline earth metals
halogens
alkali metals
82
Carbon is considered an element while carbon dioxide is considered a compound. This is because
...carbon dioxide is made of two different elements.
...carbon dioxide is a gas at room temperature.
...carbon dioxide is given off by green plants.
...carbon dioxide is useful to human beings.
83
Mendeleev ___ future discoveries based on his table of elements.
was unable to foresee
predicted
84
Which elements have properties of both metals and nonmetals?
metals
gases
nonmetals
metalloids
85
How many neutrons does cobalt have?
27
cobalt
33
60
86
Which element in Group 1 is not a metal but is instead classified as a nonmetal?
helium
hydrogen
lithium
oxygen
87
Which group contains only metals?
zinc, sulfur, oxygen
potassium, silver, beryllium
nitrogen, sodium, gold
potassium, sulfur, iron
88
The majority of elements on the Periodic Table are ___.
metals
nonmetals
gases
man-made
89
Which of the following properties refers to the ability of metals to be drawn into wires?
ductility
malleability
luster
compressibility
90
The place of an element in the modern Periodic Table is determined by its ___.
atomic number
atomic mass
chemical activity
density
91
A row of elements in the Periodic Table is also called a ___.
period
group
92
What is meant by
periodic
in the Periodic Table?
the elements occur more than once
the table is only good for so long
the table can be changed as needed
the table has repeated cycles
93
Which of the following does not describe an alkali metal?
low density
silvery appearance
hard to cut
react quickly with oxygen
94
A metalloid acts as a conductor at ___ and as an insulator at ___.
low temperatures; low temperatures
high temperatures; low temperatures
low temperatures; high temperatures
high temperatures; high temperatures
95
How does an element in row 3 of the Periodic Table differ from an element in row 6?
The element in row 6 is always a gas.
The element in row 3 has more mass.
The element in row 3 is always a gas.
The element in row 6 has more mass.
96
The electrical charge of a neutron is ___.
Visa
negative
neutral
positive
97
Which of the following is not a compound?
NaCl
CO2
Cl
HCl
98
How many electrons does cobalt have?
33
27
cobalt
60
99
Halogens frequently occur in nature as ___.
compounds
free elements
