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Periodic Table and Trends Flashcards | StudBud
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Periodic Table and Trends
Periodic Table and Trends
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Ch 8 Chemistry Review over the Periodic table and Periodicity
Flashcards
38 cards
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Practice quiz
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Questions
38
Answers
1
Which of the following means that an element can be drawn into a wire?
low ionization energy
ductile
forgable
malleable
2
How does metallic character change across a period?
decreases
there is no pattern
stays the same
increase
3
Which of the following ions would have the smallest radius?
N-3
Al+3
F-1
O-2
4
Which of the following elements would have the smallest atomic radius?
O
B
C
N
5
How many valence electrons are in silicon?
1
3
4
7
6
Which of the following elements would have the largest atomic radius?
Sr
Ba
Ca
Mg
7
what is the trend for electronegativities going down a family?
increase
decreases
stays the same in a family
cannot be predicted
8
Elements in the p block of the periodic table include:
iron
lithium
sulfur
uranium
9
Mo would have how many valence electrons?
1
8
5
2
10
Which element would have the most metallic character?
Fe
O
Mg
Sr
11
which of the following scientists is the father of the periodic table?
Newlands
Dobereiner
Moseley
Mendeleev
12
Based on combining capacity, what formula represents a compound between sulfur and bromine?
S2Br
SBr2
SBr
S2Br2
13
The electron configuration for silver would end with which orbital?
4p6
5p5
3d10
4d9
14
Which elements form -3 ions?
Halogens
Nitrogen family
Aluminum family
Chalcogens
15
The area of the periodic table with the most negative electron affinity is...
top left
lower left
top right
lower right
16
Of the following elements, which is in the f block?
Cr
K
La
Br
17
the amount of energy involved in forcing an element to accept an electron is known as
metallic character
electron affinity
ionization energy
electronegativity
18
Of the following, which elements are the least metallic within their period?
Nitrogen family
Noble gases
Chalcogens
Halogens
19
Which family of elements are the salt formers?
alkaline earth metals
alkali metals
chalcogens
halogens
20
Which of the following would have the largest radius?
Mg
Mg+2
Ca +2
Ca
21
Which of the following elements would have the highest first ionization energy?
Ca
Br
K
Ga
22
What is the carrying capacity of nitrogen?
2
1
3
4
23
Which element is a 4th period chalcogen?
Se
K
Na
S
24
Who generated the law of octaves?
Mendeleev
Moseley
Newlands
Dobereiner
25
A negative electron affinity means...
The element absorbs energy when given an electron
the element is holding on to its electrons loosely
The reaction is endothermic
The element releases energy when given an electron
26
A measure of the energy required to remove an electron from an atom is ...
Electronegativity
Metallic character
Ionization energy
Electron affinity
27
The noble gases are inert because
they have no valence electrons
they have a full valence shell
They have extremely high electronegativities
they don't react
28
Which of the following would include the lanthanide series?
Semimetals
alkaline earth metals
transition metals
inner transition metals
29
A column on the periodic table is also a
Group
Both 1 and 2
Family
Period
30
Of the following, which would have the lowest electronegativity?
Inner transition metals
Alkali Metals
Alkaline Earth Metals
Semimetals
31
What happens to ionization energy as you go down a family?
decreases
there is no pattern
increases
stays the same
32
Which of the following elements would have the highest electronegativity?
P
Si
S
Cl
33
A row across the periodic table is called a/an
Period
Block
Group
Family
34
The elements Li, Na K and Rb belong to...
the transition metals
metals
the alkaline earth metals
the alkali metals
35
Which element is a 3rd period halogen?
S
Ar
Cl
Na
36
What name is given to KH?
phosphorus hydrogen
potassium hydride
phosphorus hydride
kalium nitrate
37
Which scientist proposed the elements be grouped into triads based on properties?
Moseley
Dobereiner
Newlands
Mendeleev
38
What are the products of an alkali metal reacting with water?
an oxide
a base
both 1 and 2
hydrogen gas
