Identify the number of bonding pairs and lone pairs of electrons in Br2. Identify the number of bonding pairs and lone pairs of electrons in Br2. 4 bonding pair and 2 lone pairs 2 bonding pairs and 1 lone pair 1 bonding pairs and 6 lone pairs 2 bonding pairs and 3 lone pairs 6 bonding pair and 1 lone pair

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.