9. An element in Group VIIA bonds with an element in group IIA. a. Is the resulting compound a covalent or ionic bond?

b. Using an example of specific elements in those groups, write the

chemical formula formed.

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.