Notes: Chapter 13-2A
Grouping the Elements
Groups 1 and 2:
Elements are only found combined with other elements in nature.
Group 1:
Metals
___ electron in the outer level
Useful compounds:
__________________ = table salt
__________________ = unclogs drains
__________________ = used in photography
Group 2:
Metals
____ electrons in the outer level
Useful compounds:
__________ + other metals 
____________________ = in cement, plaster, chalk, and bones
Groups 3-12:
Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn
Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd
La, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg
Ac, Rf, Db, Sg, Bh, Hs, Mt, Uun, Uuu, Uub
Metals
___ or ___ electrons in the outer level
____________________ than alkaline-earth metals
Mercury-in thermometers
Titanium-in the artificial hip
Iron-reacts with oxygen and rusts
Gold-in jewelry
Lanthanides and Actinides
Lanthanides: 58-71
Shiny, reactive metals
Used in steels
Eu (europium)-red color on a computer monitor
Actinides: 90-103
Radioactive (unstable)
94-103 do not occur in nature, but produced in labs
Am (americium)-used in some smoke detectors
Groups 13-16
Group 13: Boron Group
B, Al, Ga, In, and Tl
One metalloid and four metals
3 electrons in the outer level
Reactive
Solid at room temperature
Aluminum-the most abundant metal in Earth’s crust; used in auto
parts, air craft, foil, cans, and wires