Term
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Definition
Lowest level of organization
Performs activities required for life |
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Term
Ability of cells to divide... |
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Definition
...is the basis of all reproduction, growth, and repair of multicellular organisms. |
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Term
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Definition
Bacteria
------> Prokaryotes
Archaea (resebles bacteria and eukarya)
Eukarya
-------> Eukaryotes (Protists) |
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Term
96% of all living matter is made up of what elements? |
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Definition
Carbon, Hydrogen, Oxygen, and Nitrogen |
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Term
What are the other elements that make up most of the 4% of living matter? |
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Definition
Calcium, Phosphate, Potassium, and Sulfur |
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Term
What are the subatomic particles in atoms? |
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Definition
Neutrons (no charge)
Protons (positive charge)
Electrons (negative charge) |
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Term
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Definition
Basically atomic mass unit (amu) |
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Definition
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Term
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Definition
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Term
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Definition
Atoms total mass
-can be approximated by the mass number |
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Term
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Definition
Two atoms of element that differ in number of neutron. |
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Term
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Definition
Decay spontaneously giving off particles and energy |
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Term
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Definition
Electrons in the outermost valence shell
Chemical behavior of atoms are determined by valence e-
elements w/full valence shell are chemically inert. |
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Term
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Definition
Sharing a pair of valence electrons
(shared electrons count as part of each atom's valence shell) |
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Term
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Definition
Two or more atoms held together by covalent bonds
-single covalent bond (1 pair of bond)
-double bond |
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