The two elements discovered by marie curie are and uranium curium radium polonium

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

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

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory