Across
- 1. 3.00 x 10^8 m/s
- 4. A measure of how positive or negative an atom is
- 6. Atoms are made up of
- 7. Abbreviations used to represent an element
- 9. Unit of measurement for frequency
- 11. Sub-atomic particles with a negative charge
- 13. “Atoms are mostly _____ _____”
- 14. Atoms with a positive charge
- 15. When an atom absorbs energy, the electrons move to an _______ state
- 17. A type of charge indicated by a minus sign
- 18. If a measure value is 10 inches and the accepted value is 14 inches, what is the error percentage? Answer: __%
- 19. Type of positive particle that was shot at goil foil
- 22. 10^-9 m
- 25. # of protons + # of neutrons
- 27. Unit of measreument for energy
- 29. Calculate the energy of photon light whose wavelength is 623 nm. Answer: 4.0_ x 10^-19 J
- 32. Atoms with an unequal number of electrons and protons
- 33. Subatomic particles with a zero charge
- 36. Thin sheet of material used for an experiment to calculate the diameter of the nucleus of an atom
- 37. Atoms with a different amount of protons are separate _______
- 38. A type of isotope, for example, Hydrogen with one neutron and one electron
- 40. A higher _________ results in a shorter wavelength
- 42. Subatomic particles with a positive charge
- 43. Calculate the energy of photon light whose wavelength is 623 nm. Answer: 3.__x 10^-19 J
- 44. The minimum amount of energy that can be gained or lost by an atom
Down
- 2. The range of frequencies of electromagnetic radiation and their respective wavelengths and photon energies
- 3. Number of protons in the nucleus of an atom
- 5. A way of writing numbers that are too large or too small to be conveniently written in standard decimal form
- 8. Electrons located in the outermost shell of an atom
- 10. Data that is numbers-based and measurable
- 12. When an atom emits energy, the electrons move to an _______ state
- 16. Set of the electromagnetic waves emitted by atoms of the element
- 20. A particle of light emitted when an electron transitions to a lower energy level
- 21. Forms of the same element but different mass number
- 23. Last name of person who shot particles in an experiment to calculate the diameter of the nucleus of an atom
- 24. Number of protons in Neon
- 26. Atoms with a negative charge
- 28. Calculated by multiplying Planck’s constant by the frequency of the photon
- 30. A type of isotope, for example, Boron with four neutrons and five electrons
- 31. Data that is interpretation-based and descriptive
- 34. Protons and neutrons are located here
- 35. acronym that increases in frequency and shortens in wavelength as you move from left to right
- 39. Contains an amplitude, crest, and trough
- 41. A type of charge indicated by a plus sign
- 45. A type of charge given off by neutrons
