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Periodicity
Periodicity
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Test review on the periodic table sections and trends, plus ions.
Flashcards
25 cards
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Questions
25
Answers
1
How many valence electrons does Nitrogen have?
5
3
2
7
2
Which one is the heaviest halogen?
Polonium
Iodine
Radon
Chlorine
3
What is the difference between Cl-35 and Cl-37?
different number of electrons
different number of protons
different atomic #
different number of neutrons
4
What is the inert-core notation for Bromine?
[Kr]4s24p5
[Kr]3s23p5
[Ar]3s23p5
[Ar]4s24p5
5
How many valence electrons does Lithium have?
1
2
3
0
6
Which element is a non metal?
Polonium
Uranium
Arsenic
Hydrogen
7
Which ion is the largest?
Na+1
Mg+2
O-2
F-1
8
Which element has the smallest ionization energy
Lithium
Phosphorus
Cesium
Titanium
9
Which ion is the smallest?
K+
Ca+2
Cl-1
Ar0
10
Which element has the largest ionization energy?
Silver
Helium
Bromine
Sodium
11
Which element is an inner transition metal?
Ca
Fe
Al
Eu
12
Which is the smallest ion?
O-2
O
13
Which element is the most similar to Sulfur?
Chlorine
Selenium
Phosphorus
Tellurium
14
Which is the largest ion?
K
K+1
15
Which is higher in energy than visible light?
radiowaves
microwaves
ultraviolet
infrared
16
How many electrons are in the outermost energy level for 1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
3d
10
4p
3
5
10
6
3
17
Which element has the smallest atomic radius?
Francium
Potassium
Oxygen
Xenon
18
What is the name of group 1 on the periodic table?
Alkali metals
halogens
noble gases
Alkaline Earth metals
19
Which element is group 15 period 3?
Silicon
Phosphorus
Germanium
Arsenic
20
Which element has the greatest electron affinity?
Iodine
Fluorine
Lithium
Neon
21
Which element is the most electronegative?
Lead
Radium
Sulfur
Sodium
22
Which element is not a metalloid?
Silicon
Arsenic
Tellurium
Aluminum
23
Which element is the least electronegative?
Fluorine
Bromine
Barium
Sodium
24
How many unpaired electrons does Phosphorus have?
0
3
2
5
25
Which element is the most similar in properties to Magnesium?
Radium
Calcium
Sodium
Aluminum
