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Matter and the Periodic Table
Matter and the Periodic Table
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Matter and the Periodic Table Review
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
What doesn't belong?
hydrogen
potassium
francium
rubidium
2
What's the name of this isotope?
Plutonium-94
Polonium-94
Plutonium-238
Phosphorus-238
3
An atom with 21 protons, 21 electrons, and 24 neutrons has a mass number of
45
21
66
24
4
The correct oxidation number (charge) for boron is
3+
1-
3-
1+
5
Fluorine forms a(n)____ with an oxidation # of ___ .
cation / 2+
cation / 1-
anion / 1+
anion / 1-
6
Most elements on the periodic table are
plasma at room temperature.
gas at room temperature.
solid at room temperature.
liquid at room temperature.
7
An unknown element is ductile and shiny. It is likely a ...
gas
metal
nonmetal
liquid
8
Bromine has an atomic number of 35. This means...
Bromine has 35 neutrons and 35 electrons
Bromine has 35 protons and 35 electrons
Bromine has 35 protons and 35 neutrons
Bromine has 35 protons, 35 electrons, and 35 neutrons
9
Transitional metals include ...
Periods 3A-12A
Groups 3A-12A
Groups 3-12
Periods 3-12
10
What doesn't belong?
Silicon
Boron
Arsenic
Aluminum
11
What subatomic particle(s) account for the mass of an atom?
protons and electrons
neutrons and electrons
protons, neutrons, and electrons
protons and neutrons
12
Groups are also called
families
horizontals
periods
rows
13
A magnesium ion carries a charge of ...
1+
2-
1-
2+
14
Halogens react
aggressively
with ____ .
Noble gases
Alkali metals
Transitional metals
Chalcogens
15
What has 8 protons, 10 electrons, and 8 neutrons?
816O2-
168O2-
168O
168O2+
16
Which isotope has 7 protons and 8 neutrons?
Oxygen-8
Nitrogen-14
Oxygen-15
Nitrogen-15
17
Most nonmetals are...
found on the left side of the periodic table.
are good conductors.
gas at room temperature.
solid at room temperature.
18
What does the upper left number tell you?
the number of neutrons
the mass number
the atomic mass
The number of protons
19
How many protons, electrons, and neutrons does Hydrogen-3 have?
3,3,3
1,2,0
1,0,2
1,1,2
20
An unknown element is a semiconductor, shiny, but brittle. It is likely a...
noble gas
metalloid
nonmetal
metal
21
Which is TRUE?
A cation has a negative charge.
An anion forms when there are less electrons than protons.
A cation forms when there are more protons than electrons.
An anion has a positive charge.
22
What does the lower left number tell you?
atomic mass
atomic number
number of neutrons
mass number
23
Which group is represented by energetically stable, inert gases?
Group 17
Group 1
Group 18
Group 2
24
The chalcogen group is also known as...
Period 6
Group 6
Group 6A
Period 6A
25
What subatomic particle(s) account for the charge of an atom?
protons, neutrons, and electrons
neutrons and protons
neutrons and electrons
electrons
26
An element in Group 6A forms....
-6 anions
+2 cations
-2 anions
+6 cations
27
What doesn't belong?
family
period
column
group
28
The least explosive alkali metal
Cesium
Sodium
Lithium
Francium
29
Germanium is classified as a...
nonmetal
metal
transitional metal
metalloid
30
Which statement is TRUE?
Fluorine is a noble gas
Groups are rows.
Magnesium forms anions.
- charged electrons cancel out + charged protons.
31
An unknown element is brittle and a poor conductor. It is classified as a...
nonmetal
metal
transitional metal
metalloid
32
Which doesn't belong?
barium
lead
platinum
oxygen
33
What group is an element with 5 valence electrons and an oxidation number of 3- found in?
Group 5
Group 15A
Group 5B
Group 15
34
Atoms with different mass numbers are called
isotopes
ions
neutrons
atoms
35
Which is false?
Carbon will form a cation.
Barium will form a cation.
Argon does not form an ion.
Sulfur will form an anion.
36
A newly discovered element is found directly below radium. It is classified as a ...
nonmetal
metal
metalloid
transitional metal
37
How many neutrons does this isotope have?
42
114
78
36
38
Most elements on the periodic table are ....
nonmetals
noble gases
metalloids
metals
39
Which element has 5 valence electrons and forms -3 anions?
N
F
Li
B
40
Which element has the greatest number of neutrons in its nucleus?
Cd
Mn
H
Rn
