Physical Science

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Across
  1. 3. the force that holds two atoms together
  2. 6. A solution that contains a small amount of solute
  3. 8. the lowest temperature that is theoretically possible
  4. 11. The amount of energy required to remove an electron from an atom
  5. 12. That portion of the electromagnetic spectrum detected as various colors by the human eye, ranging in wavelength from about 380 nm to about 750 nm.
  6. 15. Spectrum All of the frequencies or wavelengths of electromagnetic radiation
  7. 16. the SI base unit of length
  8. 18. Regions of space that consecutively surround the nucleus of an atom.
  9. 20. electromagnetic waves with the longest wavelengths and lowest frequencies
  10. 22. Formed when one or more electrons are transferred from one atom to another
  11. 23. A compound that consists of positive and negative ions
  12. 24. waves with wavelengths between radio and visible light
  13. 25. A substance produced in a chemical reaction
  14. 26. higher frequency than uv rays but lower than gamma rays
  15. 28. the property of a body that is a measure of its inertia
  16. 29. the transfer of energy by electromagnetic waves
  17. 31. A chemical substance that is present at the start of a chemical reaction
Down
  1. 1. A solution that had a great amount of solute
  2. 2. States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
  3. 4. type of electromagnetic wave produced by the sun
  4. 5. Matter is not created nor destroyed in any chemical or physical change
  5. 7. Water dissolves everything what is it
  6. 9. A graphical representation of how much solute will dissolve in water at various temperatures
  7. 10. A chemical bond formed when two atoms share valence electrons
  8. 13. the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through
  9. 14. shorter than radio waves - used for cooking and communication
  10. 17. A combination of chemical symbols and numbers to represent a substance
  11. 19. The condition of an atom is expressed by the number of electrons that the atom needs to reach its elemental form
  12. 21. the highest frequency waves on the electromagnetic spectrum
  13. 27. Electrons on the outermost energy level of an atom
  14. 30. An atom or group of atoms that has a positive or negative charge.