Show:
Matter and Substances
Water and Solutions
Carbon Compounds
Energy and Metabolism
Extras
100
positively charged nucleus surrounded by negatively charged electron cloud
What is an atom?
100
attraction of particles of the same substance
What is cohesion?
100
molecules made of sugar
What are carbohydrates?
100
ability to move or change matter
What is energy?
100
attracts negative pole of other molecules
What is a hydrogen bond?
200
substance made up of atoms that have the same number of protons
What is an element?
200
mixture in which ions or molecules are evenly distributed in another
What is a solution?
200
-NH2
What is an amino acid?
200
molecule that increases the speed of biochemical reactions
What is an enzyme?
200
measure of how acidic or basic a solution is
What is pH?
300
sharing valence electrons
What is a covalent bond?
300
extra hydronium ions
What is an acid?
300
Chitin and cellulose
What is a complex carbohydrate?
300
matter is neither created or destroyed
What is the law of conservation of mass?
300
-COOH
What is a carboxyl group?
400
attractive force between oppositely charged ions
What is an ionic bond?
400
extra hydroxide ions
What is a base?
400
fats, steroids, waxes
What is a lipid?
400
minimum kinetic energy that colliding particles need to start a chemical reaction
What is activation energy?
400
attraction between particles of different substances
What is adhesion?
500
different number of neutrons
What are isotopes?
500
substance that reacts to prevent pH changes?
What is a buffer?
500
sugar, base, and a phosphate group
What is a nucleotide?
500
substance that is changed in a chemical reaction
What is a reactant?
500
protons, electrons, and neutrons
What are the components of atoms?