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