Somewhat false
observations can be made of a model of the statue of liberty, say, or in real line
So we know the number of moles of each compound. If we need to know the concentration we must know the number of moles that the compounds react with...
Answer:
helium
Explanation:
helium has the highest ionization energy level
Heat can be absorbed or produced
The answer is Hydrogyn bonding. It keeps the water molocules bonded together and in a liquid state, without it it'd be in a gashious state.