The chemical combination of two or more different atoms in fixed amounts is called a(n) A. element
B. mixture.
C. orbit
D. compound.

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

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