Which compound has both ionic and covalent bonds? a) ki b) ch2 (oh)2 c) co2 d) caco.

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?