CSF Chapter 2: Chemical Basis of Life (Atoms, Molecules, Water)
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Note: This deck is based on Dr. Jerreme Jackson's CSF class at UNI (Spring 2023)
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Two Properties of Matter
- 1) contains mass
- 2) occupies space
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Atom (definition)
the smallest functional unit of matter, which cannot be broken apart
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Molecule (definition)
two or more atoms bound together (can be atoms of the same or different elements)
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Compound (definition)
two more atoms of different elements bound together
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Element (definition)
a pure substance that contains only one type of atom
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Proton (definition)
positively charged particles found in the nucleus; unique to each element
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Neutron (definition)
electrically neutral particles found in the nucleus
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Electron (definition)
negatively charged particles found in orbitals around the atomic nucleus
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The nucleus of an atom is composed of...
- protons
- neutrons
- electrons
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The atomic number is...
- Equal to the number of protons in the atom
- Equal to the number of electrons in the atom
- Equal to the number of neutrons in the atom
- A whole number listed on the periodic table
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