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Which set of atoms have 3 valence electrons? A. Hydrogen,lithium, and sodium B.
Which set of atoms have 3 valence electrons? A. Hydrogen,lithium, and sodium
B. Boron,aluminum, and gallium
C. Beryllium,magnesium, and calcium
D. Carbon,silicon,and germanium
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6 one-sixth parts are needed to make a whole.