Ch107_LectureNotes

Trends and Patterns of Properties on the Periodic Table

HSU periodic Table

Atomic Radii

**Periodic Table of the Elements**
	IA	IIA											IIIA	IVA	VA	VIA	VIIA	VIIIA
H																		He
2	Li	Be											B	C	N	O	F	Ne
3	Na	Mg	IIIB	IVB	VB	VI	VIIB	VIIIB			IB	IIB	Al	Si	P	S	Cl	Ar
4	K	Ca	Sc	Ti	V	Cr	Mn	Fe	Co	Ni	Cu	Zn	Ga	Ge	As	Se	Br	Kr
5	Rb	Sr	Y	Zr	Nb	Mo	Tc	Ru	Rh	Pd	Ag	Cd	In	Sn	Sb	Te	I	Xe
6	Cs	Ba	Lu	Hf	Ta	W	Re	Os	Ir	Pt	Au	Hg	Tl	Pb	Bi	Po	At	Rn

Atomic size: decreases going from left right and from bottom top

plot of atomic radii versus atomic number

Periodic Table with Atomic Radii Trend arrow

Ionization Energy

**Periodic Table of the Elements**
	IA	IIA											IIIA	IVA	VA	VIA	VIIA	VIIIA
H																		He
2	Li	Be											B	C	N	O	F	Ne
3	Na	Mg	IIIB	IVB	VB	VI	VIIB	VIIIB			IB	IIB	Al	Si	P	S	Cl	Ar
4	K	Ca	Sc	Ti	V	Cr	Mn	Fe	Co	Ni	Cu	Zn	Ga	Ge	As	Se	Br	Kr
5	Rb	Sr	Y	Zr	Nb	Mo	Tc	Ru	Rh	Pd	Ag	Cd	In	Sn	Sb	Te	I	Xe
6	Cs	Ba	Lu	Hf	Ta	W	Re	Os	Ir	Pt	Au	Hg	Tl	Pb	Bi	Po	At	Rn

Ionization energy: increases from left right and from bottom top.

plot of ionization energy versus atomic number

Periodic Table with ionization energies Trend arrow

Electronegativity

Periodic Table of the Elements

IA IIA IIIA IVA VA VIA VIIA VIIIA

H He

2 Li Be B C N O F Ne

3 Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB Al Si P S Cl Ar

4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr

5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe

6 Cs Ba Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn

Electronegativity increases from left right and from bottom top.

plot of electronegativity versus atomic number

Periodic Table with Electronegativity Trend arrow

periodic table with highest density elements indicated by period

periodic table with highest melting point elements by period