Contrast the structures of ionic compounds and metals. 2. Explain how the conductivity of electricity and the high boiling points of metals are explained by metallic bonding. 3. Contrast the cause of the attraction in ionic bonds and metallic bonds.

Which of these are physical changes in matter? check all that apply boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese

Ajar contains a certain substance. which observation would show that the substance must be either a solid or a liquid?

T(s) in2os] (m) 0 185 2.39 546 1.90 725 1.70 the decomposition of n205 can be described by the equation 2.68 given these data for the reaction at 45°c in carbon tetrachloride solution, calculate the average rate of reaction for each successive time interval. ntr s to 185 s 185 s to 546 s 546 s to 725 s number number number reaction rate: m/s m/s m/s