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State the different radiations emitted by radioactive elements.
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How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom
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Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.
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Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
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What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.
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State the different radiations emitted by radioactive elements....
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