How does the VSPER theory explain molecular shape A. Electron pair attractions pull atoms together
B. Electron pairs repelling each other push atoms apart
C. Valence electrons modify core electron orbitals
D. Intermolecular forces distort electron bonds

B. Electron pairs repelling each other push atoms apart

Explanation:

The VESPR theory explains molecular shape by suggesting that electron pairs repelling each other push atoms apart.

If an atom is bonded to two or more other kinds of atoms as in many covalent molecules and ions, the shape of the system is determined by the geometry of the bonds around the central atom.

The variations in the bond angles of such molecules is explained by the valence shell electron pair repulsion theory. All the electrons will orient themselves in such a way to minimize the electrostatic repulsion between them. The repulsions determines the geometry of the covalent bonds around the central atom.

Mass is the amount of matter in an object.  weight is the measurement of the pull of gravity on an object.  say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165)  now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon.  however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant.  in conclusion it is possible for your weight to change as your mass remains constant. 

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