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ICP Chem Chapter 5: THE PERIODIC TABLE Flashcards | StudBud
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ICP Chem Chapter 5: THE PERIODIC TABLE
ICP Chem Chapter 5: THE PERIODIC TABLE
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#the periodic law #the periodic table
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Answers
1
For each element in his periodic table, Mendeleev knew
the number of protons, relative mass, and properties.
the name, number of protons, and relative mass.
the name, relative mass, and properties.
2
Elements are classified into the following three categories based on their general properties.
metals, nonmetals, metalloids
metals, nonmetals, liquids
metals, metalloids, gases
atoms, ions, molecules
3
Two elements that have similar properties are
nitrogen and chlorine.
zinc and chlorine.
chlorine and bromine.
nitrogen and hydrogen.
4
An important property of transitions elements is their ability to form compounds with
distinctive shapes.
distinctive odors.
distinctive colors.
distinctive sounds.
5
The Alkaline Earth Metal that is used to make lightweight bicycle frames is
sodium
magnesium
iron
calcium
6
The first elements to be identified were NOT
gases.
solids.
liquids.
7
The mass of an atom of carbon-14 is ___ the mass of an atom of carbon-12.
less than
equal to
greater than
8
An electron that is in the highest occupied energy level of an atom is
a valence electron.
a core electron.
9
Many nonmetals are gases at room temperature.
False
True
10
The number of metallic elements on the periodic table is __ the number of nonmetallic elements.
slightly less than
much greater than
equal to
much less than
11
Mendeleev left some blanks on his periodic table
for elements that had not yet been discovered.
to make room for extra large element names.
12
Two elements in Group 15 that are contained in fertilizer are
nitrogen and oxygen
nitrogen and sodium
nitrogen and oxygen
nitrogen and phosphorus
13
The Alkali Metals are in
Group 1
Group 17
Group 2
Group 18
14
___ is a nonmetal with one valence electron.
Hydrogen
Oxygen
Sodium
Helium
15
Most elements exist as a mixture of two or more isotopes.
False
True
16
Only two elements exist as a ___ at room temperature.
liquid
gas
solid
17
Elements with similar properties are in
the same Series on the periodic table.
the same Family/Group on the periodic table.
the same Period on the periodic table.
the same row on the periodic table.
18
Elements within a group have ___ number of valence electrons.
the same
a different
19
Glass that contains ___ does not shatter easily.
boron
iron
copper
xenon
20
The Alkaline Earth Metal that helps build strong teeth and bones is
calcium
iron
magnesium
sodium
21
Aluminum is the most abundant metal in Earth's crust.
False
True
22
The Alkaline Earth Metals are in
Group 17
Group 1
Group 2
Group 18
23
In the modern periodic table, elements are arranged by properties and also by
decreasing atomic number.
increasing atomic number.
increasing mass.
decreasing mass.
24
___ is the most reactive nonmetal.
Hydrogen
Chlorine
Helium
Fluorine
25
The closeness of Mendeleev's predictions to the actual properties of the new elements showed
his table was very useful.
Mendeleev was a really smart guy.
his table was wrong.
two of these statements are correct.
26
The Noble Gases are colorless, odorless, and extremely unreactive.
True
False
27
Mendeleev arranged the elements in his periodic table by properties and by
increasing atomic number.
increasing mass.
decreasing mass.
decreasing atomic number.
28
The Halogens are in
Group 18
Group 1
Group 17
Group 2
29
Nonmetals are poor conductors of heat and electricity.
False
True
30
Across a period from left to right, the elements become ___ metallic and ___ nonmetallic.
more; less
less; less
less; more
more; more
31
Except for water, most of the compounds in your body contain
sulfur
calcium
carbon
iron
32
___ is the most reactive metal.
Iron
Francium
Gold
Copper
33
The reactivity of alkali metals increases from the top of the group to the bottom.
True
False
