What is the charge of a magnesium ion that has lost its two valence electrons?
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Chemistry, 29.11.2019 14:31 homework2358
What is the charge of a magnesium ion that has lost its two valence electrons?
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Answers: 3
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Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?
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Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
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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.
Answers: 2
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