the center of an atom which contains the protons and neutrons; in cells,the structure that contains the cell’s genetic material in the form of dna

negatively charged particles of a atom ;located in the space surrounding the nucleus

pure substance that consists entirely of one type of atom

one of several forms of a single element,which contains the same number of protons but different numbers of neutrons

substance formed by the chemical combination of two or more elements in defined proportions

chemical bond formed when one or more electrons are transferred from one atom to another

atom that has a positive or negative charge

type of bond between atoms in which the electrons are shared

smallest unit of most compounds.that displays all the properties of that compound

slight attraction that develops between oppositely charged regions of nearby molecules

week attraction between with a partial positive charge and another atom with a partial negative charge

small chemical unit that makes macro-molecules

molecule composed of many monomers; makes up macro-molecules

compound made of carbon,hydrogen,and oxygen atoms;types of nutrients that are the major source of energy to the body

macro-molecule made mostly from carbon and hydrogen atoms;includes fats,oils,and waxes

subunit of which nucleic acids are composed;made up of a 5-carbon sugar,a phosphate group, and a nitrogenous base

macro-molecules containing hydrogen,oxygen,nitrogen,carbon,and phosphorous

macro-molecules that contains carbon,hydrogen,oxygen,and nitrogen

compound with an amino group on one end and a carboxyl group on the other end

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Biologych2voc1/3

Question	Answer
Atom	the basic unit of matter
Nucleus	the center of an atom which contains the protons and neutrons; in cells,the structure that contains the cell’s genetic material in the form of dna
Electron	negatively charged particles of a atom ;located in the space surrounding the nucleus
Element	pure substance that consists entirely of one type of atom
Isotope	one of several forms of a single element,which contains the same number of protons but different numbers of neutrons
Compound	substance formed by the chemical combination of two or more elements in defined proportions
Ionic bond	chemical bond formed when one or more electrons are transferred from one atom to another
Ion	atom that has a positive or negative charge
covalent bond	type of bond between atoms in which the electrons are shared
Molecule	smallest unit of most compounds.that displays all the properties of that compound
Van der waals forces	slight attraction that develops between oppositely charged regions of nearby molecules
Hydrogen bond	week attraction between with a partial positive charge and another atom with a partial negative charge
Monomers	small chemical unit that makes macro-molecules
Polymers	molecule composed of many monomers; makes up macro-molecules
Carbohydrates	compound made of carbon,hydrogen,and oxygen atoms;types of nutrients that are the major source of energy to the body
Lipids	macro-molecule made mostly from carbon and hydrogen atoms;includes fats,oils,and waxes
Nucleotides	subunit of which nucleic acids are composed;made up of a 5-carbon sugar,a phosphate group, and a nitrogenous base
Nucleic acids	macro-molecules containing hydrogen,oxygen,nitrogen,carbon,and phosphorous
Proteins	macro-molecules that contains carbon,hydrogen,oxygen,and nitrogen
Amino acids	compound with an amino group on one end and a carboxyl group on the other end

Created by: amgrace

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