Chemistry

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Across
  1. 2. are groups of two or more atoms that are chemically bonded together.
  2. 7. is anything that has mass and takes up space
  3. 8. is is the basic unit of matter and the defining structure of elements.
  4. 9. is when two atoms and one atom transfers electrons to another, making charged ions
  5. 10. is a measure of the average kinetic energy of the particles in a substance
  6. 11. has one proton and one electron
  7. 13. commonly known as salt and substance for human life
  8. 16. is pure substances that can't be broken down into simpler substances by chemical means
  9. 18. point a tempture a liquid turns into a vapor
  10. 19. is a substance formed when two or more different elements are chemically bonded together
  11. 20. it is a subatomic particle that a carries a negative electric charge.
  12. 21. refers to a seperation of electric charge within a molecule,leading to the formation of two poles
  13. 22. are one of the three primary states of matter
  14. 24. water vapor
  15. 25. is a substance that can donate a proton to another substance
Down
  1. 1. is the process of quantifying physical quantities using units.
  2. 3. is a chemical compound made up of two hydrogen atoms and one oxygen atom, h2o
  3. 4. is a attrative force that holds atoms together in a molecule
  4. 5. is a group of two or more atoms that are chemically bonded together.
  5. 6. it is neutral,neither positive or negative
  6. 12. is any substance that has defined composition and properties
  7. 14. bonds are a type of weak chemical bond that is when a hydrogen atom covalently bonded to a highly electrom atom
  8. 15. the hereditary material in almost all living organisms
  9. 17. is a highly reactive metal
  10. 19. is a temperature scale used to measure temperature(for the boiling point)
  11. 23. a form of matter that has a specific composition and distinct properties