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33 Cards in this Set
- Front
- Back
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How do we order living things? |
Domain, kingdom, phylum, class, order, family, genus and species |
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The 8 things |
Order, regulation, growth and development, energy process, response to environment,reproduction and evolutionary adaption. |
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Atom |
Units of all substances living or not. Atoms: have neutrons, protons and electrons.
Are smaller than a grain of sand and subatomic particles are smaller than that |
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Molecule |
Atoms joined together. Explain.. |
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Cells |
Cell is the smallest unit. How does it survive |
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Charges is an electrical property |
Opposite charges attract and like charges repel |
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Charges is an electrical property |
Opposite charges attract and like charges repel |
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Atomic number |
Is the number of protons in the nucleus |
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elements |
Are pure substances, consisting of atoms with the same number of protons in their nucleus |
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Atomic mass |
Mass of protons, nuetrons, electrons in an atom. |
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Atomic number |
Number of protons in the atom/ nucleus |
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Capillary action |
Properties of water, it's how plants pull and transport water |
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Covalent bond |
Electron sharing |
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Electronegativity |
Holds on or attracts electrons. Explain |
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Electronegativity |
Holds on or attracts electrons. Explain |
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Hydrogen bond |
An attraction between a hydrogen atom and another atom taking part in a desperate polar covalent bond |
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Isotope |
Differ in the number of neutrons. |
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Ionic bond |
Very polar. It gives or takes forever! Ex. NaCl= Salt |
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How are electrons passed |
Electronegativity |
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Non polar CB |
Equal sharing |
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Polar CB |
Unequal sharing |
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What does polar mean |
Pull |
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What does polar mean |
Pull |
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Solute |
A dissolved substance |
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Solvent |
Liquid that dissolves other substances
Ex. Water |
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Properties of water |
Cohesive, adhesive, capillary action, high heat capacity, less dense as a solid than a liquid, high surface tension |
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Distilled water |
Is pH 7.0 or neutral |
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Distilled water |
Is pH 7.0 or neutral |
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Acid |
Gives H+ Ranges from pH 0- 7 Ex. Lemon juice, vinegar, tomatoes |
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Distilled water |
Is pH 7.0 or neutral |
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Acid |
Gives H+ Ranges from pH 0- 7 Ex. Lemon juice, vinegar, tomatoes |
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Base |
Gives OH- and removes H+ Ranges from pH 7-14 Ex. Household ammonia, oven cleaner and bleach |
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Buffers |
Compounds that are used to maintain proper pH by binding with H+ and OH- ions |
