Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
Atom
|
Smallest unit of matter that cannot be broken down by chemical means.
|
|
Element
|
Substance made of only one kine of atom & is a pure substance.
|
|
Compound
|
Substance made of the joined atoms of 2 or more diff. elements.
|
|
Molecule
|
Group of atoms held together by covalent bonds.
|
|
Ion
|
An atom or molecule that has gained or lost one or more electrons.
|
|
Cohesion
|
Attraction between substances of the same kind.
|
|
Adhesion
|
Attraction between diff. substances.
|
|
Soulution
|
Mixture in which one or more substances are evenly distributed in another substance.
|
|
Acid
|
Compounds that form hydrogen ions when dissolved in water.
|
|
Base
|
Compounds that reduce the concentration of hydrogen ions in a solution.
|
|
Carbohydrate
|
Organic Compounds made of carbon, hydrogen, & oxygen atoms.
|
|
Monosaccharide
|
single sugars that are the building blocks of carbohydrates.
|
|
Lipids
|
nonpolar molecules that are not soluble in water.
|
|
Proteins
|
Chain of molecules called amino acids linked together like pearls on a necklace.
|
|
Amino Acids
|
Building blocks of proteins.
|
|
Nucleic Acid
|
long chain of smaller molecules called nucleotides.
|
|
Nucleotide
|
3 parts- sugar, base, & a phosphate group- which contains phosphorus & oxygen atoms.
|
|
DNA
|
Or deoxyribonucleic acid, consists of 2 strands of nucleotides that spiral around each other.
|
|
RNA
|
Or ribonucleic acid, consists of a single strand of nucleotides.
|
|
ATP
|
Or adenosine triphosphate, is a single nucleotide with 2 extra energy-storing phosphate groups.
|
|
Energy
|
Ability to move or change matter.
|
|
Activation Energy
|
Energy needed to start a chemical reaction.
|
|
Enzyme
|
Substances that increase the speed of chemical reactions.
|
|
Substrate
|
Substance on which an enzyme acts during a chemical reaction.
|
|
Active Sites
|
Folds that from pockets.
|