10. A student is heating a test tube that isn't made of pyrex over a Bunsen burner. The test tube
explodes, sending shards of glass and chemicals
towards a nearby student, who is finished their
lab and is not wearing their safety goggles.
what do you do when you get glass in eye

What is the equilibrium constant of aa+bb=cc+dd

What is the relation between concentration of reactants and the rate of chemical reaction?

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