Term
| what are the four major elements found in the chemicals that comprise the human body |
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Definition
| carbon, hydrogen, oxygen, and nitrogen |
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Term
| the three type of subatomic particles that are important for understanding chemical reactions |
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Definition
| protons, neutrons, and electrons |
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Term
| which of the following subatomic particles has a neutral charge |
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Definition
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Term
what region of an atom contains the protons and neutrons?
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Definition
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Term
| the number of protons in an atom is represented by an elements |
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Definition
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Term
| the nucleus of unstable____of an element will decay leading to emission of radiation |
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Definition
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Term
| this refers to a weighted average of the atomic weights of all naturally occuring isotopes of an elemnt |
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Definition
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Term
| describe a beneficial use of radiation |
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Definition
| use for xrays to see if bones are broken |
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Term
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Definition
| all atoms are surrounded by 8 electrons fu7lfilling the octet rule |
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Term
| which of the following subatomic particles are shared by two atoms to form covalent bonds |
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Term
| this is the name given to a negatively charged atom |
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Term
| a chemical that can conduct electical current when dissolved in water is called |
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Definition
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Term
| this type of chemical bond involves the sharing of valence electrons between two atoms |
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Definition
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Term
| the chemical bonds formed between the atoms in a water molecule are called |
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Definition
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Term
| describe a hyrdrogen bond |
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Definition
| is an attractive interaction of a hydrogen atom w. an electron negative atom |
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Term
| This relatively weak type of bond helps stabilize the three dimensional structure of large molecules like proteins and DNA |
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Definition
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Term
| a chemical reaction involves interactions between the _____of two diffent atoms |
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Definition
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Term
| This is defined as the capacity to do work |
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Definition
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Term
| law of conservation of energy |
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Definition
| states that the total amount of energy in a system remainconstant over time |
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Term
| this type of chemical reaction will absorb more energy than it releases |
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Definition
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Term
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Definition
| lower the activation energy needed to start the reaction |
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Term
| list three factors that increase the rate of chemical reactions |
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Definition
| temperture, concentration & pressure, catalyst |
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Term
| This type of chemical reaction combines reactants to produce larger products |
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Definition
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Term
| this type of chemical reaction breaks larger reactants into smaller products |
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Definition
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Term
| this is the most abundant and most important inorganic compound in the body |
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Definition
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Term
| in the body fluid compartments found in the human body, the solvent is |
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Definition
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Term
| describe the funtions of water in the body |
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Definition
| reg body temp, moisten tissues, lub joints, protects body organ, help prevent constripation |
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Term
| a solution with a pH value Less than 7 is |
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Definition
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Term
| a chemical compound that helps control the pH of a solution by adding or removing hydrogen ion is a |
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Definition
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Term
| which of the following is a porton donor |
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Definition
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Term
| specific arrangements of atoms within an organic molecule that confer characteristic chemical properties upon that molecule are called |
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Term
| glucose and fructose both have the chemical formula so they are considered |
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Definition
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Term
| Which of the following is a monosaccharide that is used by cells to produce energy |
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Definition
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Term
| which of the following is a polysaccharide that serves as a storoage form of energy in muscle |
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Definition
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Term
| this type of fatty acid contains more than one double bond in its hydrocarbon chain |
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Definition
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