The Periodic Table

Question 1

How do the properties of the elements change while moving left to right through the periodic table?

Answer 1

From left to right, the atomic radius decreases, ionization energy increases, electron affinity increases, effective nuclear charge increases, and electronegativity increases

Question 2

How do the properties of the elements change while moving from the top to the bottom of a column?

Answer 2

From top to bottom, atomic radius increases, effective nuclear charge increases, electron affinity decreases, ionization energy decreases, and electronegativity decreases

Question 3

Which element is the largest, most metallic, and least electronegative of the naturally occurring elements?

Answer 3

Cesium (55)

Question 4

Which element is the most electronegative?

Answer 4

Fluorine (9)

Question 5

Metals

Answer 5

Electropositive, malleable, ductile

The ones on the left tend to be lustrous with relatively low ionization energies and electron affinities

Question 6

Transition Elements

Answer 6

Partially filled D shells

Question 7

Metalloids

Answer 7

B, Si, Ge, As, Sb, Te, and Po have properties between those of metals and nonmetals

Question 8

Nonmetals

Answer 8

High electronegativity, ionization energy, and electron affinity
Poor electric conductors

Question 9

Free Radical

Answer 9

Atom or molecule with unpaired electron in outermost shell