How will the vapor pressure of an aqueous solution of sodium chloride compare to that of pure water?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

How can one make a supersaturated solution? (apex)

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull