Chemistry Matters:)

2. negatively charged subatomic particle
4. data collected by different teams from samples gathered at the same location
7. a mass-less particle of electromagnetic radiation that carries a quantum of energy
8. neutrally charged subatomic particle
9. any information gathered using any of your five senses or lab instruments
12. the amount of heat in a system at constant pressure
15. percentages that describe isotopic compositions
18. the curved surface at the top of the liquid in a tube
19. positively charged subatomic particle
20. a term that represents the precision of a measurement

1. set of numbers used to describe properties of atomic orbitals and electrons in them
3. a homgeneous mixture of metals, or a mixture of a metal and a non-metal in which the metal is the major component
5. also known as the controlled variable, any factor that is kept the same during an experiment
6. parts of a mixture are separated based on the ability of each dissolved component to travel through materials at different speeds
10. when a solid transitions into a gas without going through the liquid phase
11. positively charged ion formed when atom loses 1 or more electrons.
13. number of wave cycles that are completed during unit of time
14. a material's ability to absorb energy before fracturing
16. which lab safety symbol has a beaker and an Erlenmeyer flask on it
17. the relative ability of a substance to undergo a chemical reaction