Across
- 2. is a pure substance formed when two or more different elements are chemically combined in a fixed ratio.
- 4. is the amount of matter in an object.
- 6. is the force of attraction that holds atoms together in a molecule or compound
- 9. is defined as a group of two or more atoms that are held together by chemical bonds
- 10. is made of one atom and are shown on the periodic table.
- 12. is a material composed of two or more substances that are physically combined, but not chemically bonded
- 14. capacity to do work
- 15. material substance that makes up the universe along with energy.
- 16. Chemistry is the branch of science that deals with the properties, composition, and structure of elements and compounds, how they can change
Down
- 1. is defined as a measure of the average kinetic energy of the particles
- 3. is a chemical process that absorbs heat from its surroundings.
- 5. is the basic building blocks of all matter made up of quarks.
- 7. is defined as the transfer of thermal energy from one object to another due to a temperature difference
- 8. is a process where substances, called reactants, interact and transform into new substances, called products
- 11. is a chemical process that exerts heat out
- 13. is a substance that participates in a chemical reaction and undergoes a change during the reaction