A) ion B) isotope C) atomic mass D) valence
A) none of the answers are correct B) noble solids C) metals D) Inert gases
A) they accept electrons B) they give away electrons C) they keep their own electrons D) they share electrons
A) Ionic B) Covalent C) Valence D) Metallic
A) Electrons are accepted B) Electrons are given away C) Two answers are correct D) electrons are shared
A) False B) True
A) Some electrons are shared by all the atoms in the material. B) One atom takes the outer shell electrons from another atom. C) A couple of atoms share their electrons with each other. D) Bonding takes place between positively charged areas of one atom with a negatively charged area of another atom.
A) Shiny luster B) Brittle/Shatters easily C) Malleable D) conducts electricity
A) Some electrons are shared by all the atoms. B) One atom takes the outer shell electrons from another atom. C) A couple of atoms share their electrons with each other. D) Bonding takes place between positively charged areas of one molecule with a negatively charged area of another molecule.
A) oxygen B) hydrogen C) carbon D) all of the above
A) All of the above. B) Hydrogen Bonds C) Polarization D) Van der Waals Forces
A) occurs when molecules move to opposite sides (poles) of a cell. B) occurs when molecules get near magnetic North or South Poles. C) occurs when atoms move to opposite sides (poles) of the molecule. D) occurs when electrons spend more time with one atom in the molecule than another.
A) formed when one atom takes an electron from another atom. B) are found between the sides of the DNA double helix C) help to determine shape and function of molecules D) strong bonds
A) Molecules sharing electrons B) molecules coming close to one another creating a weak force between these molecules C) None of the above D) One molecule taking electrons from another
A) Metallic B) Covalent C) Ionic D) Hydrogen
A) bronze B) covalent bond C) alloy D) brass |