Hydrogen and oxygen are examples of which of these? elements
compounds
none of the above
molecules
I need to know astroides

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.