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Ch 5 Periodic Table Flashcards | StudBud
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Ch 5 Periodic Table
Ch 5 Periodic Table
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Review for Chapter 5 test
Flashcards
25 cards
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Questions
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Answers
1
Currently, the periodic table is arranged by
year discovered
neutrons
atomic mass
atomic number
2
The elements in a row of the periodic table
have the same chemical symbols.
have the same atomic mass.
are in the same period.
are in the same family.
3
If a metal reacts violently with water, in which group is it likely to be found?
Alkali Metals
Alkaline earth metals
Noble gases
Transition Metals
4
Which of the following have the same number of valence electrons?
the elements in a period
the elements in a group
the elements having similar atomic masses
the elements having similar atomic numbers
5
How many elements are on the current periodic table?
18
116
44
118
6
At room temperature, none of the metals are
malleable
soft.
gases
liquids.
7
In the periodic table, the most reactive metals are found
in Group 1, the first column on the left.
in Periods 6 and 7 at the bottom.
in Period 1, the first row across the top.
in Groups 13 through 16 in the center.
8
In a periodic table, a set of properties repeats from
column to column.
row to row.
element to element.
group to group.
9
Nonmetals are poor _______________ of heat and electricity.
insulators
conductors
10
One way to demonstrate reactivity among the alkaline metals is to place them in _______.
oil
air
argon
water
11
Which is NOT an element?
Parsellium
Copper
Lead
Manganese
12
The extremely reactive Group 1 elements have _______ valence electron(s).
4
2
1
3
13
Mendeleev arranged his periodic table according to the elements
atomic mass
neutrons
atomic number
year discovered
14
The only metal that is a liquid at room temperature is
mercury
gold
silver
water
15
The electrons in the outer shell are called __________ electrons.
inner
value
outer
valence
16
What element is atomic number 1?
Helium
Hydrogen
Lithium
Neon
17
Where are nonmetals located on the periodic table?
to the left of the zigzag line
in the two bottom rows
to the right of the zigzag line
in Groups 1 through 4
18
The elements in a column of the periodic table
are in the same family.
have the same chemical symbols.
have the same atomic mass.
are in the same period.
19
From an element's location in the periodic table, you can predict
its chemical name.
its properties.
its chemical symbol.
when it was discovered.
20
What two things are found inside the nucleus of an atom?
protons and neutrons
protons and electrons
electrons and neutrons
21
Atoms of the most reactive elements tend to have
one valence electron.
eight valence electrons.
no valence electrons.
four or five valence electrons.
22
The property of an element that indicates the number of protons in its atoms is the
location
atomic number
atomic mass
neutrons
23
In the 1800s, Dmitri Mendeleev organized the known elements into the first useful
periodic table
puzzle
game
test
24
As you move from left to right across a period, the number of valence electrons
increases
stays the same.
decreases.
increases and then decreases.
25
Most metals are in the _______ state at room temperature.
plasma
solid
liquid
gas
