Atomic Theory

1. - number of wave cycles per unit of time
6. – approximately the mass of one nucleon and is equivalent to 1 g/mol
11. – describes the distribution of electrons in an atom or ion
12. – the lowest energy state possible for an electron
14. – the total number of protons and neutrons (together known as nucleons) in a nucleus.
16. – a subatomic particle with a positive elementary charge
18. – atoms of an element that has different number of neutrons, giving them different masses, but the same number of protons.
19. – Smallest constituent unit of ordinary matter that has the properties of a chemical element
20. – The number of protons found in the nucleus of an atom of that element.
21. – a subatomic particle with a negative elementary charge
22. - distance between crest

2. – an electron in any quantum state above its ground state
3. – the average mass of all of the isotopes of an element.
4. - Particles that come together to form atoms
5. – very dense region consisting of a positive change at the center of an atom.
7. – mathematical description of where an electron is located
8. – the minimal amount of energy involved in an interaction.
9. an elementary particle, a quantum of light, and all other forms of electromagnetic radiation
10. – an atom or molecule in which the total number of electrons is not equal to the total number of protons, giving the atom or molecule a net positive or negative electrical charge.
13. - wave height from zero to crest
15. – discrete energy value or levels that an electron can exist at
17. – a subatomic particle with no elementary charge,