Across
- 1. Wavelength and frequency have a(n) _ relationship.
- 6. A sample in which substances are physically combined and uniform throughout
- 10. The name of the model of the atom created by Thomson
- 11. Credited with naming the atom after the greek term "atomos"
- 13. The name of the constant with a value of 6.626x10^-34 J x s
- 15. The center of the atom
- 16. The unit of energy
- 17. Energy and Frequency have a(n) _ relationship.
- 18. A piece of lab safety equipment that must be used in EVERY lab using chemicals, fire, etc.
- 19. The number of waves that pass a given point per second
- 21. The unit for frequency
- 24. A piece of lab equipment used to supply energy during the flame testing lab
- 25. Discovered the nucleus
- 26. Discovered the electron
- 29. The name of our current model of the atom is the __ model.
- 33. A pure substance containing only one type of atom.
- 34. The number of protons in an atom is called the _.
- 36. A term used to describe the general location of electrons in an atom
Down
- 2. The name for the state an electron exists in when it absorbs energy and moves to a higher energy level
- 3. Each element produces a different _, also called the atomic fingerprint, when the gaseous element is charged and the light is passed through a prism.
- 4. An atom that has become charged by gaining or losing electrons
- 5. A sample in which substances are physically combined and show different phases
- 7. The lowest energy state an electron can exist in
- 8. The _ effect showed that when light with great enough energy was shone on a metal, electrons would be knocked loose.
- 9. A negatively charged ion
- 12. The distance between two peaks or two troughs on a wave
- 14. Created a wave equation that could determine the probability of locating an electron
- 20. The minimum amount of energy that must be lost or gained for electrons to move
- 22. An atom that has a different number of neutrons but the same number of protons
- 23. Positively charged particles in the nucleus
- 27. This man's principle states that it is impossible to know both the speed and location of an electron at the same time
- 28. Proposed the law of multiple proportions
- 30. The smallest unit into which an element can be divided while still maintaining its properties.
- 31. A pure substance containing two or more types of atoms.
- 32. The weighted average mass of an element considers only the elements that exist in _.
- 35. Negatively charged particles that exist outside the nucleus
- 37. A positively charged ion