One day, Snoopy bought gas at $2.02 per gallon. How many minutes could Snoopy travel at 55.1 mi/hr if he bought $22.50 of gas and his fuel economy is 22.1 mi/gal?

Matches the chemical name of each oxide of phosphorus to its chemical formula

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

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?