What is chemistry?

12345678
Across
  1. 1. a state of matter that does not have a fixed volume or shape
  2. 4. when two or more atoms are bonded together it creates this
  3. 6. pure substance made up of only one type of atom
  4. 7. a state of matter that has a fixed volume, but takes the shape of the container which holds it
  5. 8. basic building blocks of matter
Down
  1. 2. a state of matter that has a fixed shape and volume
  2. 3. how many states of matter are there?
  3. 4. anything that has mass and takes up space
  4. 5. a branch of science that studies matter and how it interacts with other matter