How many electrons are transferred between the cation and anion to form the ionic bond in one formula unit of each compound?

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

What are the similarities of physical and chemical change ?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %