CHEM 4 Lecture Notes - Lecture 3: Roman Numerals, Nonmetal

• School: UCSD
• Department: Chemistry and Biochemistry
• Course: CHEM 4
• Professor: Carl Hoeger

Document Summary

Solid (s): fixed shape, fixed volume, fixed neighbors, highest of all matter states (except in water) Diatomic element: h, n, f, o, cl, br, i. Although oxygen i found in nature as o2, it chemically combines as if it were o by itself/monoatomic (not referred to singularly; o2) (ch4 + o2. Polyatomic elements: whn referred to, they aren"t referred to as a part of the compound theyre a part of. As you get lower and lower in the periodic table, atoms get bigger and bigger. Group number: roman numeral on top of column. 1st column to the left: alkali metals; 2nd: alkaline earths (oxides), 3rd thru 12th: Transition metals; 13th: boron family; 14th: carbon family (periodic properties, carbon is nonmetal, lead is a metal as you move down the elements n a family, the elements become more and more metallic even if already metals! ); 15th: nitrogen family; 16th: oxygen family (chalcogens);