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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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1
This group has a valence of 1.
The noble gases
The alkaline earth metals
The halogens
The alkali metals
2
The most reactive metals are:
The alkaline earth metals
The noble gases
The halogens
The alkali metals
3
Elements in the same group will have all of the following EXCEPT:
Same number of valence electrons
Same number of energy levels
Similar chemical properties
Similar physical properties
4
What element listed below will have the highest 3rd ionization energy?
K
Ca
As
Ga
5
Which has the highest ionization energy out of the following?
Iron
Sodium
Selenium
Fluorine
6
What side of the periodic table are metals found?
Only at the bottom
Right of staircase
Left of staircase
Only at the top
7
Our modern periodic table is organized by increasing:
Atomic number
Atomic mass
Charge
Reactivity
8
What is the valence of phosphorus?
5
6
1
3
9
What does nitrogen, phosphorus, arsenic, antimony and bismuth have in common?
They are all non-metals
They are in the same period
They are all metals
They are in the same group
10
What element is found in the 3 period and group 4?
Silicon
Germanium
Gallium
Aluminum
11
The periodic table is mostly composed of:
Radioactive compounds
Metalloids
Non-metals
Metals
12
What is the common charge of the halogens?
+2
+1
-2
-1
13
Aluminum will make what charge when it becomes an ion?
-3
-2
+2
+3
14
Neon is a:
Halogen
Transition Metal
In group 5A
Noble Gas
15
A cation...
Is negative and smaller than its original atom
Is negative and larger than its original atom
Is positive and smaller than its original atom
Is positive and larger than its original atom
16
Chlorine has a smaller atomic radius than magnesium
True
False
17
Why is oxygen smaller than lithium?
Oxygen has more protons and higher ENC
Lithium is more isoelectronic
It's not. Lithium is smaller.
Lithium has more energy levels and lower ENC
18
What group is barium in?
Alkali Metals
Transition Metals
Alkaline earth metals
Boron Group
19
Germanium is a:
Metalloid
Metal
Radioactive compound
Non-metal
20
As you go down a group
Effective nuclear charge decreases because you are losing protons
Effective nuclear charge increases because you have less in shielding
Effective nuclear charge increases because you are gaining more protons
Effective nuclear charge decreases because you have more shielding
21
What period will we find carbon in?
4
3
1
2
