atoms and elements
compounds,bonding, and reactions
mixtures and solutions
water and diffusion
biomolecules
100
this is a substance that cant be broken down into simpler chemical substances
What is an element
100
this is formed when atoms share electrons
What is a covalent bond
100
an example of this is chocolate chips and peanuts
What is a mixture
100
this has an unequal distribution of charge; that is each molecule has a positive end and a negative end
What is a polar molecule
100
concentration, temp., and pressure
What 3 factories affect the rate of diffusion
200
these are needed by living organisms, but only in small amounts
What are trace elements
200
this is found in the compound NaCl and is when atoms gain/lose electrons
What is an ionic bond
200
this is formed by hydroxide ions
What is a base
200
this is the net movement of a particles from an area of higher concentration to an area of lower concentration
What is diffusion
200
this biomolecule gives quick fuel for the body
What are carbohydrates
300
this is allowed up to18
What is the third energy level
300
water is an example of this
What is a compound
300
this has a pH of 7
What is neutral
300
this is the net movement of particles from an area of higher concentration to an area of lower concentration
What is diffusion
300
these are fats and oils, waxes, phospholipids, and steroids
What are lipids
400
this is an element that has different numbers of neutrons in its nucleus
What is an isotope
400
this refers to all of the chemical reactions that occur within an organism
What is metabolism
400
when sugar molecules in a powered drink mix dissolve easily in water they form this
What is a solution
400
when materials or liquids pass in and out of a cell or substance at EQUAL rates, there is no net change in concentration inside the cell or substance
What is dynamic equilbrium
400
these are made of 20 different amino acids
What are protiens
500
this is inside the nucleus of an atom and tells what element it is
What is a proton
500
this is the yeild of two reactants
What is the product
500
this is a measure of how acidic or basic a solution is
What is pH
500
*polar* resists temp. change* expands when it freezes
What are the 3 properties of water
500
these are special proteins that speed up chemical reactions in the body without raising the body's temp.
What are enzymes
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