maleea parker

2. electron located in the outermost shell
6. spectrum of electromagnetic radiation
7. the distance or like room between two points
10. the rays and particles such as alpha, beta and
11. the shell where electrons are located
13. how often something happens, or like how many times a certain thing happens within an amount of time.
15. has high-energy radiation,shortest wavelength
16. when a substance randomly produces radiation
18. diagrams representing the electrons of atoms in a molecule
19. a postivie charged ion
20. the smallest unit
21. atom with a negative charge

1. equation for a element on the periodic table showing the atomic number and mass
3. radio waves, mircowaves, etc. travels at the speed of light
4. when the atoms have eight elecrons in the valence shell
5. electron with a negative one charge
8. where electrons are located around the nucleus
9. a tiny particle with waves of electromagnetic radiation
12. particle that has 2 protons, 2 neutrons and is represented with an a
14. represented by s,p,d and f. They are the energy levels divided by shells
17. atom with either a positive or negative charge