Chemistry

2. electrons travel in defined circular orbits around the nucleus. ... Electrons can jump from one orbit to another by emitting or absorbing energy.
8. a funnel usually in the shape of a globe or cylinder provided with a stopcock for drawing off the lower layer of a mixture of immiscible liquids
9. a gas burner consisting typically of a straight tube with small holes at the bottom where air enters and mixes with the gas to produce an intensely hot blue flame
10. A … is … with its volume, in increments, marked along the tube.
13. flat-bottomed conical laboratory flask
15. a loose-fitting usually white … with deep pockets that is worn in a laboratory or medical facility
16. a deep widemouthed thin-walled vessel usually with a lip for pouring that is used especially in science laboratories
17. part of his theory states that all matter is made of atoms, which are indivisible.

1. used to dispense small amount of liquid.
3. a graduated glass tube with a small aperture and stopcock for delivering measured quantities of liquid or for measuring the liquid or gas received or discharged
4. experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons.
5. a tall narrow container with a volume scale used especially for measuring liquids
6. protective glasses set in a flexible frame (as of rubber or plastic) that fits snugly against the face
7. has a tiny, massive core called the nucleus. The nucleus has a positive charge.
11. use in analysis that contains a specific volume when filled to an indicated level
12. a flat thin implement used especially for spreading or mixing soft substances, scooping, or lifting
14. a utensil that is usually a hollow cone with a tube extending from the smaller end and that is designed to catch and direct a downward flow