Across
- 1. a state of matter that has no fixed shape and no fixed volume.
- 4. a form of matter that is settled between solid and gas.
- 5. The only solid elements that assume liquid form at room temperature are bromine and mercury.
- 7. has noble gases, alkali metals, and halogens.
- 10. different from chemical compounds, are a combination two or more differentcomponents that are not chemically combined.
- 11. The positive charge of the nucleus of any atom is due to its protons.
- 12. Small group of elements on the periodic table.
- 14. known as semimetals or metalloids.
Down
- 2. are one of the three states of matter.
- 3. a subatomic particle found in the nucleus of atoms that differs from the other subatomic particles
- 6. Pure substance that is made from more than one element.
- 8. on the periodic table
- 9. they can be called subatomic particles.
- 13. they have various applications in science.
