Cleavage refers to the way a rock:
A. shine
B. breaks
C. streaks
D. is made

Compare and contrast the bohr model and the electron cloud models of the atom.

Draw two cyclic constitutional isomers of cis-1

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+