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Periodic table basics Flashcards | StudBud
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Periodic table basics
Periodic table basics
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Periodic Table Organization
Flashcards
22 cards
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Questions
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Answers
1
Most elements are
non metals
metalloids
metals
semiconductors
2
Elements in the same row are...
both are true
have the same number of energy shells
in the same period
3
Which of the following elements is an alkali metal
magnesium
calcium
mercury
sodium
4
Most elements on the left side of the periodic table are
non metals
metals
semiconductors
metalloids
5
Elements that belong to the same group have the same number of
neutral electrons
valence electrons
inner electrons
total electrons
6
Elements that share properties of both metals and nonmetals are also
periods
ions
semiconductors
valences
7
Atoms of elements in the same group have the same number of
neutrons
protons
protons and neutrons
valence electrons
8
Elements that have one valence electron tend to
be highly reactive
are found in group 18
are metalloids
all these are correct
9
What is the location of elements in the periodic table related to
electron placement
number of neutrons
atomic weight
color
10
The order of elements in the periodic table is based on
number of electrons
atomic mass
neutrons
Number of protons
11
Three main groups of elements are metals, non metals and
radioactive isotopes
inert gases
alkali metals
semiconductors
12
Which is NOT a family of the periodic table
alkaline-earth metals
noble gases
halogens
anions
13
As you move up to down in a column on the periodic table elements have
higher atomic number
fewer protons
lower atomic number
higher group number
14
Magnesium (Mg) is located to the right of sodium because magnesium has
fewer protons
more protons
no neutrons
no protons
15
How was Mendeleev's periodic table arranged?
by decreasing atomic mass
by increasing atomic mass
by decreasing atomic number
by increasing atomic number
16
which of the following is NOT true of noble gases
they belong in group 18
they exist as single atoms
they are highly reactive
they are nonmetals
17
Each column of the periodic table is
a period
an isotope
a group
an element
18
Metals tend to be
dull
good conductors of heat
brittle
gases
19
What is Mendeleev known for?
discovering protons
creating todays atomic model
discovering Mendelevium
publishing the first periodic table
20
Semiconductors are elements that
don't form compounds
can conduct heat and electricity under certain conditions
Have large atomic masses and small atomic numbers
are extremely hard
21
As you move from left to right on the periodic table elements....
have lower atomic number
have a lower atomic weight
become more metallic
become less metallic
22
Elements in an element family have similar
atomic symbols
chemical properties
atomic weights
atomic sizes
