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