Cheyenne DeBacco

2. distance between equivalent points on a continuous wave
8. A particle with two protons and two neutrons with a 2+ charge; is equivalent to a helium-4
9. ray and particles emitted by radioactive materials
13. Particle- A high-speed electron with a 1- charge that is emitted during radioactive decay.
14. equation that shows atomic number and mass numbers that are involved
18. An atom or bonded group of atoms with a positive or negative charge.
20. small and dense positively charged atom that contains protons & neutrons
21. minimum amount of energy that can be gained or lost by an atom
22. The energy levels contained within a principal energy level.
23. particle of electromagnetic radiation with no mass that carries a quantum of energy
24. A model that uses electron-dot structures to show how electrons are arranged in molecules. Pairs of dots or lines represent bonding pairs.

1. number of waves that pass a given point per second
3. spectrum that electromagnetic radiation emitted by a source
4. The process in which some substances
5. energy exhibiting wavelike behavior as it travels through space
6. High energy radiation with no electrical charge and no mass
7. The electrons in an atom’s outer-most orbitals; determine the chemical properties of an element.
10. States that atoms lose, gain, or share electrons in order to acquire the stable electron configuration of a noble gas.
11. The major energy levels of an atom.
12. The lowest allowable energy state of an atom.
15. An ion that has a negative charge.
16. The arrangement of electrons in an atom, which is prescribed by three rules- the aufbau principle, the Pauli exclusion principle, and Hund’s rule.
17. emit radiation.
19. An ion that has a positive charge.