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Physical Science Ch. 5 Periodic Table Flashcards | StudBud
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Physical Science Ch. 5 Periodic Table
Physical Science Ch. 5 Periodic Table
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Periodic Table
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
Elements with one valence electrons tend to...
become charged
form ions
be highly reactive
all of the above
2
Elements in an element group or family have similar...
atomic symbos
chemical properties
atomic weights
atomic sizes
3
The three main groups of elements are metals, nonmetals, and...
inert gases
radioactive isotopes
alkali metals
semiconductors
4
The periodic law states that elements that have similar properties appear...
to the left of each other
to the right of each other
at regular intervals
at every tenth element
5
Each column of the periodic table is...
an element
an isotope
a group
a period
6
Order of elements is based on...
# of neutrons
electric charge
atomic #
atomic mass
7
Which of the following is an alkali metal
mercury
calcium
magnesium
sodium
8
Magnesium (Mg) is located to the right of sodium (Na) because Mg has ...
no protons
more protons
fewer protons
no neutrons
9
Most elements are
semiconductors
metals
nonmetals
metalloids
10
Transition metals such as copper or tungsten form compounds by ...
losing electrons to form positive ions
gaining electrons to form negative ions
losing neutrons
changing shape and color
11
elements that belong to the same group have the same number of...
total electrons
valence electrons
neutral electrons
inner electrons
12
How do you know that potassium, an alkali metal, is highly reactive?
it has one valence electron
it is a soft and shiny metal
it conducts electricity
it conducts heat
13
Atoms of elements in the same group have the same # of...
valence electrons
protons
protons and neutrons
neutrons
14
Reactive elements of group 17 that are poor conductors....
semiconductors
halogens
transition metals
alkaline-earth metals
15
Elements that belong to groups 3-12 and are somewhat reactive....
halogens
transition metals
semiconductors
alkaline-earth metals
16
Silicon, a semiconductor, is often found in...
air
steel
computers
wood
17
Mendeleev left gaps in his periodic table because...
the table was too full
the table was too small
protons belonged there
no known elements fit there
18
How was Mendeleev's periodic table arranged?
decreasing atomic number
increasing atomic mass
decreasing atomic mass
increasing atomic number
19
Alkali metals are extremely reactive because they...
have very small atomic masses
are not solid at room temperature
have 2 valence electrons that form compounds with elements
have one valence electron that is easily removed
20
Nonmetals are found ___ on the periodic table
on the left-most side
in the bottom rows
on the right side
in the middle column of the periodic table
21
Most nonmetals are...
shiny
brittle
metalloids
good conductors
22
Semiconductors are elements that
can conduct heat and electricity under certain conditions
do not form compounds
have large atomic masses but small atomic numbers
are extremely hard
23
Which of the following is not true of noble gases?
they are nonmetals
they are highly reactive
they exist as single stoms
the belong to group 18
24
As you move from left to right across the periodic table, elements...
become more metallic
have lower atomic weight
have lower atomic #
become less metallic
25
Which is not a family of the periodic table?
noble gases
anions
hologens
alkaline-earth metals
26
Which statement about noble gases is correct?
they exist as single atoms rather than as molecules
they are highly reactive with both metals and nonmetals
they form compounds with very bright colors
they are extremely rare in nature
27
Because they differ in # of protons and # of electrons, elements in a group...
are very interactive
are inert
have different charges
are not exactly the same
28
Group 17 elements tend to gain electrons to be stable, these elements must form...
anions
cations
metals
semiconductors
29
In Mendeleev's periodic table, elements in each column had similar....
atomic masses
properties
atomic numbers
symbols
30
Group 2 elements that have two valence electrons....
alkaline-earth metals
halogens
semiconductors
transition metals
31
Elements that have properties of both metals and nonmetals....
semiconductors
transition metals
halogens
alkaline-earth metals
32
Atoms that gain or lose electrons are called...
metals
ions
isotopes
nonmetals
33
As yo move from up to down in a column of the periodic table, elements have...
a higher group number
a higher atomic number
a lower atomic number
fewer protons
34
Ionization refers to the process of ...
losing or gaining electrons
losing or gaining protons
turning lithium into florine
changing from one period to another
35
Which statement about alkali metals is correct?
they form negative ions with a 1- charge
They are located in the left-most column of periodic table
they are extremely nonreactive
they are usually gases
