Chemistry Unit 4- Periodic Table and Periodic Trends

Upper Left
Where are the most active metals located?
Upper Right
Where are the most active nonmetals located?
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Increases. Increased Positive Nuclear Charge.
As you go from left to right across a period, the first ionization energy the atomic sizes (decreases/increases)? Why?
Increases because of additional principles of energy levels.
As you travel down a group, the atomic size (decreases/increases)? Why?
Larger
A Negative Ion is (larger/smaller) than its parent form.
Smaller
A Positive Ion is (larger/smaller) than its parent form?
Increases because of increases positive nuclear charge.
As you go left to right across a period, the first ionization energy generally (decreases/increases)? Why?
Decreases because outermost electron is farther away from nucleus.
As you go down in a group, the first Ionization Energy generally (decreases/increases)? Why?
Upper Right (F)
Where is the highest electronegativity found?
Lower Left (Fr)
Where is the lowest electronegativity found?
Alkali Metals
Elements in Group 1 are called…
Alkaline Earth Metals
Elements in Group 2 are called…
Transition Metals
Elements in Groups 3-12 are called…
Halogens
Group 17 elements are called…
Fluorine
The most active element is Group 17 is…
Noble Gas
Group 18 elements are called…
D and F
What sub-levels are filling across the transition elements?
Valance Electron
Elements within a group are have similar number of
Principle Energy Levels
Elements across a period have the same number of…
More Matallic
As you go down a group, the elements generally become (more/less) metallic?
Atomic Numbers
Elements in the periodic table are arranged according to their…
Semi-metal or Metalloid
An element with both metallic and nonmetallic properties is called a…
A) Li
B) Ar
C) Br
D) Ne
E) B
In each of the following pairs, which species are the HIGER first Ionization Energy:

A) Li or Cs
B) Cl or Ar
C) Ca or Br
D) Na or Ne
E) B or Be

A) Ba
B) S^2-
C) Cu
D) H-
E) Cl
In each of the following pairs, which species are the the LARGER atomic radius:

A) Mg or Ba
B) S or S^2-
C) Cu+ or Cu
D) He or H-
E) Na or Cl

N
HIGHEST first Ionization Energy:
C, N, Si
S
HIGHEST first Ionization Energy:
As, Sn, S
Li
Smallest Atom:
Na, Li, Be
Fe
Largest Radius:
Fe, Co, Ni
K
Lowest first Ionization Energy
K, Na, Ca
Na
Which of the following elements has the LARGEST atomic radius?

Mg
Si
S
Na

Na
Which of the following elements has the SMALLEST Ionization Energy?

Mg
Si
S
Na

He
Which of the following elements has the LARGEST electronegativity?

He
Xe
Ar

He
Which of the following elements has the SMALLEST Atomic radius?

He
Xe
Ar

Sb
Which of the following elements has the LARGEST Ionization Energy?

N
Sb
As

Sb
Which of the following elements has the SMALLEST electronegativity?

N
Sb
As

Atomic Radius F < Br Ionization Energy F > Br
For each of the following properties, indicate whether fluorine or bromine has the larger value.

A) Atomic Radius
B) Ionization Energy

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