bio

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Author:
jeffreyb
ID:
251646
Filename:
bio
Updated:
2014-01-01 19:57:28
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bio
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notes/vocab
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  1. the smallest piece of matter
    atom
  2. substances with specific properties
    element
  3. 2 or more elements bonded together
    molecule
  4. 2 or more elements combined
    compound
  5. homogenous mixure
    solution
  6. stuff being dissolved
    solute
  7. stuff doing the dissolving
    solvent
  8. 2 or more substances that can be separated
    mixture
  9. positive charge
    proton
  10. no charge
    neutron
  11. negative charge
    elecron
  12. atom that has gained or lost electron
    ion
  13. attracting electrons right side of the periodic table
    elecronegative
  14. share electrons/ very strong bond
    covalent bond
  15. oppositely charged ions stick together
    ionic bond
  16. 2 facts about electrons
    • 1.electrons are in a full outer shell
    • 2.like to be in pairs
  17. isotopes
    atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
  18. 2 things about the periodic table
    • 1. up and down are periods
    • 2. side to side are called groups
  19. 2 facts about elements
    • 1. there are over 100 elements, 92, of which occur natuarally
    • 2.each has a unique name and symbol
  20. atoms
    • 1. the building blocks of matter
    • 2. the smallest piece of matter
  21. electons
    negatively charged particles that are located outside the nucleus

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