A. Isotopes with odd atomic number are abundant
B. Isotopes with odd atomic number and even mass number are abundant
C. Isotopes with even atomic number and even mass number are abundant
D. Isotopes with even atomic number and odd mass no are abundant

A. 1-mole molecules of water
B. 1-gram molecule of water
C. 3-gram atoms
D. all

A. CH2 C12
B. CH3C1
C. CC14
D. CHCL3

A. Relative abundance
B. Average mass of element
C. Number of isotopes
D. Relative isotopic mass

A. Atomic number
B. Relative abundance
C. Electronic configuration
D. All of the above

A. 0.2m
B. 0.2mm
C. 0.2nm
D. 0.2pm

A. Paint
B. Glass
C. Gun Powder
D. Cement

A. higher melting point then molecular crystals
B. lower melting point then molecular crystals
C. discrete molecules linked by Van der waals forces
D. hydrogen bonding

A. Ice
B. Diamond
C. Sucrose
D. Plastic

A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids