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How many electrons will be in the second shell of sodium that has an atomic number of 11?
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Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.
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Compare and contrast physical changes with chemical changes.
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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How many electrons will be in the second shell of sodium that has an atomic number of 11?...
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