it14spr101.20e2t1 2 3.txt

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Author:
mmills78
ID:
256975
Filename:
it14spr101.20e2t1 2 3.txt
Updated:
2014-01-16 20:06:09
Tags:
profmwinston
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Description:
chapter 2: 1,2,3
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  1. Anything that has weight and occupies space
    Matter
  2. Considers the composition of substances and how they change
    Chemistry
  3. Branch of science dealing with the chemistry of living organisms
    Biochemistry
  4. Fundamental substance made of atoms that are chemically identical
    Elements
  5. Substance composed of two or more chemically bonded elements
    Compound
  6. Basic chemical required in abundance
    Bulk Elements
  7. Basic chemical substance needed in small quantity
    Trace Elements
  8. Basic chemical substance needed in very small quantity
    Ultratrace Element
  9. Smallest particle of an element that has the properties of that element
    Atoms
  10. Atoms combining with atoms like themselves
    Chemical Bond
  11. Dense core of an atom that’s composed of protons and neutrons
    Nucleus
  12. A small, negatively charged particle that encircles the nucleus of an atom
    Electrons
  13. Positively charged particle in an atomic nucleus
    Protons
  14. Electrically neutral subatomic particle
    Neutrons
  15. Number of protons in an atom of an element
    Atomic Number
  16. Number of protons plus the number of neutrons
    Atomic Weight
  17. Atom that has the same number of protons as other atoms but different number of neutrons
    Isotopes

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