Atoms and matter

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Across
  1. 2. What kind of covalent bond is formed when two atoms share electrons, but the electrons are not being shared equally?
  2. 5. What kind of covalent bond is formed when electrons are shared equally between two atoms.
  3. 6. What charge will an atom have if it loses an electron
  4. 10. Atoms of the same element that have different number of neutrons
  5. 13. When electrons are shared unequally, the electron spends more time around one atom than the other. The atom around which the electron spends the most time around will become slightly __________.
  6. 16. What charge will an atom have if it gains an electron.
  7. 17. This type of bond is formed when electrons are shared between elements.
Down
  1. 1. The chemical combination of two or elements in definite properties
  2. 3. This subatomic particle is positive and located in the nucleus
  3. 4. Isotopes whose nuclei are unable and break down at a constant rate over time are said to be?
  4. 7. This type of bond is formed when electrons are transferred between elements.
  5. 8. The atoms in the compounds are held together by _________.
  6. 9. This subatomic particle has a negative charge and is located in the area surrounding the nucleus
  7. 11. When electrons are shared unequally, the electron spends more time around one atom than the other. The atom around which the electron spends the least time around will become slightly _________.
  8. 12. This is an atom that has lost or gained electrons.
  9. 14. This subatomic particle is neutral and located in the nucleus
  10. 15. The basic smallest unit of all matter
  11. 18. A pure substance consisting of all the same type of atom