CCBC Biology 109 Exam 1 Questions And
Answers 100% Correct
Atoms Building blocks of elements, smallest units of matter
Atomic number # of protons in the nucleus
Mass number Protons + Neutrons
Isotopes Atoms with the same number of protons but different number of neutrons
Compounds Formed when electrons are exchanged between atoms
Molecule composed of two or more atoms that share electrons
Ion An atom has a positive or negative charge
Ionic Bond Atoms donates or accepts electrons from interacting atoms to create a stable
valence shell
, CCBC Biology 109 Exam 1 Questions And
Answers 100% Correct
Cation Positively charged ion
Anion Negatively charged ion
Covalent bond sharing of electrons either equally or unequally
Nonpolar Equally Shared
Polar Unequally shared
Hydrogen bonds Weakened bond
Put and ionic bond in a solution _________ it becomes weaker
Reactants atoms in the reacting substances
, CCBC Biology 109 Exam 1 Questions And
Answers 100% Correct
Products results
Metabolism all the actions being performed in your body
Work Movement of an object or change in physical structure
Energy capacity to perform work
Kinetic Energy of motion
Potential energy stored energy
Cellular work includes -producing complex molecules
-Moving material into in out of a cell
Transfer of energy is not 100% efficient
Answers 100% Correct
Atoms Building blocks of elements, smallest units of matter
Atomic number # of protons in the nucleus
Mass number Protons + Neutrons
Isotopes Atoms with the same number of protons but different number of neutrons
Compounds Formed when electrons are exchanged between atoms
Molecule composed of two or more atoms that share electrons
Ion An atom has a positive or negative charge
Ionic Bond Atoms donates or accepts electrons from interacting atoms to create a stable
valence shell
, CCBC Biology 109 Exam 1 Questions And
Answers 100% Correct
Cation Positively charged ion
Anion Negatively charged ion
Covalent bond sharing of electrons either equally or unequally
Nonpolar Equally Shared
Polar Unequally shared
Hydrogen bonds Weakened bond
Put and ionic bond in a solution _________ it becomes weaker
Reactants atoms in the reacting substances
, CCBC Biology 109 Exam 1 Questions And
Answers 100% Correct
Products results
Metabolism all the actions being performed in your body
Work Movement of an object or change in physical structure
Energy capacity to perform work
Kinetic Energy of motion
Potential energy stored energy
Cellular work includes -producing complex molecules
-Moving material into in out of a cell
Transfer of energy is not 100% efficient
