Scavenger hunt

	Boiling point	Melting point	Density	Atomic radius	Electronegatvity	# of Isotopes
Element that is highest	Re	C	Ir	Cs	F
Element that is lowest	He	He	H	He	Fr
Highest of Alkali metals	Li	Li	Cs	Cs	Li
Lowest of Alkali metals	Cs	Fr	Li	Li	Fr
Highest of Alkali Earth Metals	Be	Be	Ra	Ba	Be
Lowest of Alkali Earth Metals	Mg	Mg	Ca	Be	Ra
Highest of Transition metals	Re	W	Ir	Y	Au
Lowest of Transition metals	Hg	Hg	Sc	Zn	Hf
Highest of Noble Gases	Rn	Rn	Rn	Rn	Kr
Lowest of Noble Gases	H	He	He	He	Xe
Highest of Halogens	At	At	I	At	F
Lowest of Halogens	F	F	At	F	At
Highest of the Oxygen Group	Po	Te	Po	Po	O
Lowest of the Oxygen group	O	O	O	O	Po
Highest of the Carbon Group	C	C	Pb	Pb	C
Lowest of the Carbon group	Pb	Sn	C	C	Si
Highest of the Boron group	B	B	Ti	Ti  and In	B
Lowest of the Boron group	Ti	Ga	B	B	Al

	Name	Discoverer(s)	Use	Atomic number	Most stable isotope #
Na	Sodium	Humphry Davy		11
Al	Aluminum			13
Ra	Radium	Marie Sklodowska-Curie		88
O	Oxygen	Carl Wilheml Scheele and Joseph Priestley		8
Ti	Titanium	William Gregor named by Martin Heinrich		22
Po	Polonium	Marie Sklodowska-Curie  and Pierre Curie		84
K	Potassium			19
Pb	Lead		Building construction, lead-acid batteries, bullets and shots, weights, as part of solders, pewters. fusible alloys and as a radiation shield	82