What is group 1A?
What is group 2A?
alkaline earth metals
What is group 6A?
What is group 7A?
What is group 8A?
What elements normally occur as diatomic molecules?
H2, O2, N2, and the halogens
What is a molecular formula?
chem formulas that indicate the actual numbers of atoms in a molecule
What is an empirical formula?
chem formulas that give only the relative number of atoms of each type in a molecule
Ionic compounds make what kind of structure?
Ionic solids have __________ BP and __________ melting point
What are alkanes?
compounds of C and H containing only C-C single bonds
What are the formulas for the alkanes methane, ethane, propane?
CH4, C2H6, C3H8
What is an alcohol?
organic compound obtained by replacing an H atom of an alkane w an -OH group
What is the diff b/t 1-propanol and 2-propanol?
1-propanol: replacing H w OH occurred at one of outer C atoms rather than middle C atom
2-propanol: isopropyl alcohol obtained when OH attached to middle C atom
What is an isomer?
compound w same molecular formula but diff structural formulas