Electrostatics

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Across
  1. 4. While the electrons are attracted to the protons of the nucleus, the addition of _________ to an atom can persuade the electron to leave the atom.
  2. 8. The building block of which all matter is composed became known as the _________ around 400 BC.
  3. 9. The amount of charge on a single proton is _________ to the amount of charge possessed by a single electron, although they may have a different sign.
  4. 10. Objects that have opposite charges (one positive and one negative) have a(n) _________ force.
  5. 11. If an atom has _________ electrons than protons it is said to be positively charged.
  6. 14. Rutherford developed the idea that the _________ is a densely packed core surrounded by electrons.
  7. 15. Bohr’s findings led us to our current view of the atom, called __________ (twowords).
  8. 18. The Coulomb is the basic unit of _________.
  9. 19. Neils Bohr explained that the electrons were in _________ around the nucleus.
  10. 20. If an atom has _________ electrons than protons it is said to be negatively charged.
  11. 21. This is the positively charged particle in the nucleus.
  12. 23. If your socks _________ electrons, they become negatively charged.
  13. 24. Each electron shell has a different _________ level.
Down
  1. 1. In the world of electrostatics, opposites _________ and likes _________ (two words, in order, and don’t use a space).
  2. 2. Since the unit of Coulomb is so large, we often use _________coulombs and nanocoulombs.
  3. 3. If your socks have an equal amount of electrons and protons, they are _________.
  4. 5. This type of electricity is responsible for lightning, giving you a shock when you touch a doorknob, and sticking balloons to walls.
  5. 6. The atom is mostly _________ (two words).
  6. 7. If your socks _________ electrons, they become positively charged.
  7. 9. JJ Thompson discovered a negatively charged particle which we know as the _________.
  8. 12. Electostatics and electricity is all about one particle moving, and that’s the _________.
  9. 13. The number of electrons around a nucleus will determine if an atom is electrically _________ or neutral.
  10. 16. The unit of charge is the _________.
  11. 17. Objects that have like charges (both positive or both negative) have a(n) _________ force.
  12. 22. If an atom has the same number of protons and electrons, it is described as electrically _________.