unit 2 review
Help!
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| Electron charge? | -
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| Electron location? | outside
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| Electron mass? | -
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| Proton charge? | +
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| Proton location? | inside
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| Proton mass? | -
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| Neutron charge? | 0
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| Neutron location? | inside
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| Neutron mass? | 0
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| Atomic # Copper CU | 29
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| Atomic Mass Copper | 63.55
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| Mass # Copper | 29
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| # Portons Copper | 29
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| # Electrons Copper | 29
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| # Neutrons Copper | 35
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| Atomic # Tellurium TE | 52
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| Atomic Mass TE | 127.60
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| Mass # TE | 52
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| # Protons TE | 52
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| # Electrons | 52
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| # Neutrons | 76
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| What is the difference between an atom and a molecule? | An atom is a single atom, made from protons, neutrons and electrons. A molecule is a group of atoms bonded together.
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| Using the periodic table, how do you find the # of protons? | You look at the atomic number
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| Using the periodic table, how do you find the # of electrons? | It would be the same number as the protons.
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| Using the periodic table, how do you find the # of neutrons? | You take the atomic weight and round it to the nearest whole number. Then you subtract that number with the atomic mass
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| What is the difference between mass number, atomic mass? | Mass number is the number of protons and neutrons in an atom. Atomic mass is the average mass.
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| How many electrons are in this atom? | 3
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| How many neutrons are in this atom? | 4
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| This is an atom of which element? | Lithium
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| What is a macromolecule? | A molecule that contains a large number of atoms
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| What is so simple about simple sugars? | They have a lot of sugar
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| What is so complex about complex carbohydrates? | They have a lot of carbs.
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| For what three reasons do you need lipids in your body? |
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| Using a picture how can you tell the difference between a carbohydrates and a lipid? | the atoms
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| Using a picture, how can you tell the difference between an unsaturated and saturated fatty acid chain? | they have different bonds
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| What is so complete about complete proteins? | contains all 9 essential amino acids
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| how do vegetarians/vegans get all nine essential amino acids from incomplete proteins? | from veggies and proteins bean or nuts
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| How do you get nucleic acids from food? | previous living things
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| Carbohydrates monomer | monosaccharides
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| Carbohydrates polymer | polysaccharides
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| Lipids monomer | fatty acids, Glycerol
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| Lipids polymer | Trigylceride
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| Proteins monomer | Amino acids
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| Proteins polymer | Polypetide
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| Nucleic acids monomer | Nucelotide
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| Nucleic acids polymer | nucleic acid
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