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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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What are the trends and exceptions to the trends in electron affinity?
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Chemistry, 23.06.2019 10:30
Describe the hybridization of each carbon and nitrogen atom in each of the following structures
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Chemistry, 23.06.2019 14:30
An atom of element x has one more shell of electrons than an atom of beryllium, but it has one less valance electron than beryllium. which element is x
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What is the mass of 0.500 mole of ba? (watch sf’s)...
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