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Periodic Trends Flashcards | StudBud
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Periodic Trends
Periodic Trends
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A quiz on the different trends that occur with the periodic table of elements.
Flashcards
25 cards
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Questions
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Answers
1
Which has the largest ionic radius?
Ra+2
Ba+2
K+
Fr+
2
Considering ionic radius, which ion is smaller?
F-1
O-2
N-3
Li+1
3
Elements with a high ionization energy do not want to lose an electron.
True
False
4
This is the measure of the ability of an atom to attract electrons to itself.
Shielding
Electronegativity
Ionization Energy
Electron Affinity
5
Which has a greater ionization energy?
N
O
6
What is the trend for electron affinity when moving right across a period?
less negative
decrease
increase
more negative
7
Which element has the largest atomic radius?
Silicon
Beryllium
Calcium
Lithium
8
Alkali metals have high electronegativities.
True
False
9
These elements have low electronegativities.
Nonmetals
Metals
10
A high nuclear charge can explain the reason atomic radius decreases in a period.
False
True
11
This trend decreases as you go left to right in a period.
Ionization Energy
Electronegativity
Atomic Radius
12
Which element has a greater first ionization energy?
K
Na
H
Rb
13
Which has a larger radius?
Na+
Na
14
Which has a smaller ionic radius
O-2
N-3
15
Which element would lose an electron easier?
Ca
Ba
16
Metals form these ions
Anion
Cation
17
This is the amount of energy change that occurs when an electron is acquired by a neutral atom.
First Ionization Energy
Electronegativity
Electron Affinity
Shielding
18
Anions are larger than their neutral atoms
False
True
19
An increased shielding effect enables an atom to hold on tighter to its electrons.
False
True
20
Which has a greater 2nd ionization energy?
Mg
Na
21
Which shows the correct order for increasing electronegativity for elements: Br, I, F, Cl, At?
At, I, Br, Cl, F
F, Cl, Br, I, At
I, At, Br, Cl, F
At, Br, I, Cl, F
22
The trend for atomic radius decreases in a period because electrons are increasing in number.
False
True
23
Shielding effect is also known as...
Shell effect
Screening effect
Polarizing effect
Pauling effect
24
Which element is the most electronegative?
He
F
Ne
I
25
These elements have very high ionization energies.
Noble Gases
Alkaline Earth Metals
Alkali Metals
Halogens