Chemistry Vocabulary

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Across
  1. 5. all of the frequencies of electromagnetic radiation / light
  2. 7. way of designating the isotopes of an element using its name (or symbol), a hyphen, and the mass number (example: uranium-238)
  3. 8. a chemical property that describes the amount of energy required to remove an electron from an atom
  4. 11. is a subatomic particle found in the nucleus of every atom with NO charge.
  5. 13. the length between successive peaks (or troughs) of a wave
  6. 16. is the sum of the masses of its isotopes, each multiplied by its natural abundance
  7. 17. a positively charged ion
  8. 21. is a unit of matter or energy that's the fundamental makeup of all matter.
Down
  1. 1. those electrons involved in the formation of chemical bonds
  2. 2. emission spectrum – the variety of frequencies of electromagnetic radiation (light) seen through a spectroscope that are emitted by electrons as they transition from higher to lower energy levels; unique for each element
  3. 3. a negatively charged ion
  4. 4. is a positively charged subatomic particle found in the nucleus of every atom.
  5. 6. the ability of an atom to attract to itself an electron pair shared with another atom in a chemical bond.
  6. 9. the number of cycles of an event per unit time; one Hertz (Hz) means one cycle per second
  7. 10. a group of elements with similar chemical properties
  8. 12. is a negatively charged component of an atom that exist outside of and surrounding the atom nucleus in the electron cloud
  9. 14. a metal or other material) able to be hammered or pressed permanently out of shape without breaking or cracking
  10. 15. one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behavior but with different atomic masses and physical proper
  11. 16. smallest unit into which matter can be divided without the release of electrically charged particles. The basic building block of chemistry
  12. 18. half the distance between the nuclei of identical neighboring atoms in the solid form of an element.
  13. 19. a substance or material that allows electricity or heat to flow through it
  14. 20. is the impulse for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy