What elements valence electrons are located in 5s25p4? a. te b. mo c. pm d. re

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

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

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm