- How many valence electrons determines if an atom is stable?

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If a and b are roots of equation x^2 +x -12 =0 such that a>b then equation whose roots are 2a and 3b is ?Please!? W^44 + w^45 = ? Options : A)-1 B)-1/w C) 1/(-w^2) or none.
I know that w^3 = 1 the answer is c...how? Can Mucus be produced voluntary by some animals. Or wax voluntary in their ears anytime they want in any quantity.? A 2.012 g sample of a compound of nitrogen and oxygen has 0.522g of nitrogen. Calculate its empirical formula.? I am a caregiver and I want to know what I can give to my pacient that take Coumadin.?