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Periodic Table and Covalency review Flashcards | StudBud
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Periodic Table and Covalency review
Periodic Table and Covalency review
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#chemistry #highschool
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1
What is Krypton?
Noble gas
The atom with atomic number 35
halogen
Noble metal
2
What is electronegativity?
the ability of an atom to attract electrons
the ability of an atom to attract protons
the ability of an atom to attract neutrons
3
Which of the following is a metal?
strontium
sulfur
silicon
selenium
4
Which of the following is a category of element?
metalloid
nonmetal
all of the above
metal
5
What do elements in the same group have in common?
They all have the same chemical reactivity
More than one of these
They share the same row
They have the same number of valence electrons
6
__________ decreases as you move across a period from left to right.
atomic radius
atomic mass
electronegativity
ionization energy
7
What group is xenon in?
lanthanides
halogens
alkaline earth metals
noble gases
8
You have a sample of an element that is brittle, red, and does not conduct electricity.
It could be lithium.
It could be iron.
We don't have enough info.
It could be phosphorus.
9
Which is the correct Lewis dot structure for carbon?
B
D
A
C
10
How many periods are on the periodic table?
7
8
18
6
11
Which of these is the most reactive metal?
zinc
gold
niobium
rubidium
12
Electronegativity is the __________ of an element for electrons.
repulsion
permeability
generosity
greediness
13
Element arrangement on the periodic table is based on
Atomic mass
Alphabetical order
Similar properties
Number of electrons
14
What period is lithium in?
2
4
3
1
15
What element has the symbol Gu?
Gold
Germanium
None
Gullium
16
What block are the Noble gases in?
s block
d block
f block
p block
17
Which of these elements has 4 valence electrons?
Boron
Krypton
Tin
Gold
18
How many electrons are in a neutral atom of carbon?
4
6
8
5
19
Write the formula for dinitrogen trioxide.
NO
2N3O
NO3
N2O3
20
Most elements are _______.
gases
metals
liquids
nonmetals
21
Metals are found _______ the stairstep on the periodic table.
on both sides of
to the LEFT of
to the RIGHT of
on
22
Groups are
periods
horizontal rows
vertical columns
diagonal trends
23
What is the name for the molecule P
2
O
5
?
phosphorus oxide
diphosphorus pentoxygen
diphosphorus pentoxide
phosphorus pentoxide
24
In a Lewis dot structure, only _________ are shown.
neutrons
valence electrons
protons
atoms
25
The periodic table is primarily organized by
mass number
electronegativity
atomic number
color
26
Who organized the periodic table and how?
Mosley; atomic number and chemical properties
Mendeleev; atomic number and chemical properties
Mosleev; atomic mass and chemical properties
Minnie; atomic mass and physical properties
27
Arrange the elements in INCREASING ionization energy.
In, Ga, Al
Ga, In, Al
Ga, Al, In
Al, Ga, In
28
How many electrons do alkali metals have in their outermost energy level?
11
2
1
it varies
29
The only letter that does NOT appear in an element symbol on the periodic table is
V
I
J
W
30
Where is chromium?
d block
f block
p block
s block
31
Elements with similar chemical properties are in the same ______.
orbit
row
group
period
32
The period number tells you
How much mass an atom possesses
The charge of an atom
How many neutrons in the nucleus
How many electron rings an atom possesses
33
Moseley improved on Mendeleev's table by using ________ to organize it.
mass number
charge
atomic number
atomic mass
34
How many valence electrons does xenon have?
6
5
8
7
35
What direction do groups go?
Diagonal
Vertical
Horizontal
36
Which of these is an actinide?
neodymium
ytterbium
einsteinium
americium
37
The area at the bottom of the periodic table contains ______.
the nonmetals
the transition metals
the actinides
the alkaline earth metals
38
Which is the correct Lewis dot structure for rubidium?
D
C
B
A
39
Another name for a group is ______.
family
trend
period
block
40
Nonmetals are located here on the periodic table
d block
s block
p block
f block
41
Which of the following is a nonmetal?
silicon
sodium
sulfur
germanium
42
An element name is all of these things but:
No more than 2 letters
The first letter is always capitalized
It always starts with the first letter of the element
The second letter is always lower case
43
Which of these is in order of INCREASING electronegativity?
Be, N, F
F, N, Be
N, F, Be
N, Be, F
44
What is the least electronegative element?
Radon
Francium
Phosphorus
Fluorine
45
What are the most reactive metals?
Lanthanides
Alkali metals
Alkaline earth metals
Actinides
46
How many dots should appear in iodine's Lewis dot structure?
zero
7
53
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