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Module 5: The Periodic Table and Periodic Law Flashcards | StudBud
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Module 5: The Periodic Table and Periodic Law
Module 5: The Periodic Table and Periodic Law
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Inspire Chemistry
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Questions
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Answers
1
What is the trend for ionization energies across a period from left to right?
it decreases until the noble gases
it increases until the noble gases
it increases
it decreases
2
What type of element is aluminum?
nonmetal
metalloid
gas
metal
3
Which element has the largest atomic radius?
Br
Na
O
P
4
The second ionization energy for Sodium would be much higher than the first.
False
True
5
Which group is calcium in?
alkali metals
alkaline earth metals
halogens
noble gases
6
What element has the lowest first ionization energy?
Ne
Li
Ar
Na
7
What is the most electronegative element?
F
H
Cs
He
8
How many valence electrons does a neutral atom of helium have?
1
4
8
2
9
The highest energy electrons in uranium are located in which sublevel?
p
f
s
d
10
Sulfur will most likely form a cation.
True
False
11
The highest energy electrons in copper are in which sublevel?
f
s
d
p
12
Hydrogen is an alkali metal.
False
True
13
Anions are ____________ and always ____________ than their respective neutral atoms.
positive; larger
negative; larger
positive; smaller
negative; smaller
14
If ions are all in the same period, which group will the smallest ion be located?
7A
1A
3A
5A
15
Which element has the smallest atomic radius?
Si
C
Al
F
16
What charge will phosphorus most likely have when it forms an ion?
3-
1+
1-
3+
17
What is ionization energy?
the attraction an atom has to electrons in a bond
the energy required to remove an electron from an atom
the energy change when an atom gains an electron
the electrons in the highest energy level of an atom
18
Which of the ions has the largest radius?
Al3+
N3-
S2-
Ca2+
19
Cations are ____________ and always ____________ than their respective neutral atoms.
positive; smaller
positive; larger
negative; smaller
negative; larger
20
What type of element is hydrogen?
nonmetal
transition metal
metal
metalloid
21
How many valence electrons does a neutral atom of carbon have?
4
2
6
1
22
Which of the following elements has the second smallest atomic radius?
Ne
Si
N
Al
23
What group of elements require the most energy to remove an electron (highest first ionization energy)?
noble gases
alkali metals
halogens
alkaline earth metals
24
The highest energy electrons in Helium are in which type of sublevel?
s
d
f
p
25
What is electronegativity?
the electrons in the highest energy level of an atom
the energy change when an atom gains an electron
the energy required to remove an electron from an atom
the attraction an atom has to electrons in a chemical bond
