a pure substance formed when two or more different elements combine.

The chemical bond forms when electrons are shared.

negatively charged particles that are located outside the nucleus.

a pure substance that cannot be broken down into other substances by physical or chemical means.

an atom that has lost or gained one or more electrons.

an electrical attraction between two oppositely charged atoms or groups of atoms.

atoms of the same element that have different numbers of neutrons.

a compound in which the atoms are held together by covalent bonds.

the attractions between molecules.

The minimum amount of energy needed for reactants to form products in a chemical reaction.

The specific location where a substrate binds on enzyme.

a substance that lowers the activation energy needed to start a chemical reaction.

The process by which atoms or groups of atoms in substances are reorganized into different substances.

biological catalyst that speed up the rate of chemical reactions in biological process.

The substances formed during the reaction.

The reactants that bind to the enzyme.

substances that release hydrogen ions when dissolved in water.

substances that release hydroxide ions when dissolved in water.

mixtures that can react with acids or bases to keep the pH within a particular range.

a weak interaction involving a hydrogen atom and a fluorine, oxygen, or nitrogen atom.

a combination of two or more substances in which each substance retains its individual characteristics and properties.

The measure of concentration of H+ in a solution.

the substance that is dissolved in the solvent.

a substance in which another substance is dissolved.

small compounds that are made of carbon, nitrogen, oxygen, hydrogen, and sometimes sulfur.

compounds composed of carbon, hydrogen, and oxygen in a ratio of one oxygen and two hydrogen atoms for each carbon atoms.

molecules that are made mostly of carbon and hydrogen that make up the fats, oils, and waxes.

The large molecules that are formed by joining smaller organic molecules together.

complex macromolecules that store and transmit genetic info.

smaller repeating subunits composed of carbon, nitrogen, oxygen, phosphorus and hydrogen atoms.

molecules made from repeating units of identical or nearly identical compounds called monomers.

a compound made of small carbon compounds called amino acids.

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Ch.6 Vocab

Vocabulary

Term	Definition
Atom	the building blocks of matter
Compound	a pure substance formed when two or more different elements combine.
Covalent bond	The chemical bond forms when electrons are shared.
Electron	negatively charged particles that are located outside the nucleus.
element	a pure substance that cannot be broken down into other substances by physical or chemical means.
Ion	an atom that has lost or gained one or more electrons.
ionic bond	an electrical attraction between two oppositely charged atoms or groups of atoms.
isotope	atoms of the same element that have different numbers of neutrons.
molecule	a compound in which the atoms are held together by covalent bonds.
neutron	particles that have no charge.
nucleus	the center of the atom.
proton	positively charged particles.
van der Waals force	the attractions between molecules.
activation energy	The minimum amount of energy needed for reactants to form products in a chemical reaction.
active site	The specific location where a substrate binds on enzyme.
catalyst	a substance that lowers the activation energy needed to start a chemical reaction.
chemical reaction	The process by which atoms or groups of atoms in substances are reorganized into different substances.
enzyme	biological catalyst that speed up the rate of chemical reactions in biological process.
product	The substances formed during the reaction.
reactant	The starting substances.
substrate	The reactants that bind to the enzyme.
acid	substances that release hydrogen ions when dissolved in water.
base	substances that release hydroxide ions when dissolved in water.
buffer	mixtures that can react with acids or bases to keep the pH within a particular range.
hydrogen bond	a weak interaction involving a hydrogen atom and a fluorine, oxygen, or nitrogen atom.
mixture	a combination of two or more substances in which each substance retains its individual characteristics and properties.
Ph	The measure of concentration of H+ in a solution.
polar molecule	Oppositely charged regions.
solute	the substance that is dissolved in the solvent.
solvent	a substance in which another substance is dissolved.
amino acid	small compounds that are made of carbon, nitrogen, oxygen, hydrogen, and sometimes sulfur.
carbohydrate	compounds composed of carbon, hydrogen, and oxygen in a ratio of one oxygen and two hydrogen atoms for each carbon atoms.
liquid	molecules that are made mostly of carbon and hydrogen that make up the fats, oils, and waxes.
macromolecule	The large molecules that are formed by joining smaller organic molecules together.
nucleic acid	complex macromolecules that store and transmit genetic info.
nucleotide	smaller repeating subunits composed of carbon, nitrogen, oxygen, phosphorus and hydrogen atoms.
polymer	molecules made from repeating units of identical or nearly identical compounds called monomers.
protein	a compound made of small carbon compounds called amino acids.

Created by: anthonyrouse123

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