Across
- 1. model of matter- A model that states that all physical matter exists in the form of particles.
- 4. The measure of the amount of matter in an object.
- 6. mixture- A mixture that does not have a uniform appearance since that combined substances are unevenly distributed.
- 10. group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- 12. A state of matter that has no definite shape but has a definite volume.
- 13. The force of gravity acting on the matter in an object.
- 17. A state of matter with no definite shape or volume
- 18. A pure substance that consists of atoms with the same atomic number.
- 19. The mass per unit volume of an object.
Down
- 2. A pure substance consisting of atoms of two or more different elements that are chemically combined.
- 3. mixture- A mixture that has a uniform appearance throughout; also known as a solution, especially of a solid dissolved in a liquid.
- 5. Anything that has mass and takes up space
- 7. A form of matter that has a definite shape and volume
- 8. substance- A material made of only one kind of element or compound.
- 9. A physical combination of two or more substances in a changeable ratio.
- 11. of definite proportions- that states that the masses of chemical substances combine in definite, characteristic integer ratios when forming compounds.
- 14. A gas-like state of matter, formed at very high temperatures, that consists of high-energy ions and free electrons.
- 15. The building block of all matter; consists of protons, electrons, and usually neutrons.
- 16. The space enclosed or occupied by an object.