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Chemistry, 21.06.2019 13:00
Read the given expression. x = number of protons − number of core electrons which of the following explains the identity of x and its trends across a period? x is the effective nuclear charge, and it remains constant across a period. x is the screening constant, and it remains constant across a period. x is the effective nuclear charge, and it increases across a period. x is the screening constant, and it increases across a period.
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All cells are made of four types of acids, lipids, proteins, and carbohydrates.
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How have the greenhouse gasses increased from the year 2000 to 2018
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Crude oil is a mixture of many compounds that can be separated using which process...
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