Water with a mass of 35.4 g is added to an empty flask with a mass of 87.432 g. The mass of the flask with the water is 14672 g after a rubber stopper has been added to the
flask Express the mass of the stopper to the correct mumber of significant figures.

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