The following reversible chemical reaction shows the formation of nitrogen dioxide gas. How can you maximize how much nitrogen dioxide gas you make from this reaction. Select all that apply.

2NO(g) + O2(g) + heat ⇋ 2NO2(g)

Nonmetal halogen family atmoic mass 35

Which statement is best described as a atom

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