Question 1
Give the composition of water.
◦ one hydrogen atom and one oxygen atom
◦ two hydrogen atoms and one oxygen atom
◦ one hydrogen atom and two oxygen atoms
◦ two hydrogen atoms and two oxygen atoms
Question 2
Which of the following statements about the phases of matter is TRUE?
◦ There is only one type of geometric arrangement that the atoms or molecules in any solid can adopt.
◦ Solids are highly compressible.
◦ Liquids have a large portion of empty volume between molecules.
◦ Gaseous substances have long-range repeating order.
◦ In both solids and liquids, the atoms or molecules pack closely to one another.