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What is the chemical formula of iron(iii) sulfide? (1) fes (2) fe2s3 (3) feso3 (4) fe2(so3)3
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Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
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Light waves can move through , but they travel fastest when they move through a(n) .
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Suppose you discovered a new element with 120 protons and 2 electrons in its outer level . i'm what group does this new element belong? what properties would you expect it to have
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What is the chemical formula of iron(iii) sulfide? (1) fes (2) fe2s3 (3) feso3 (4) fe2(so3)3...
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