Question 1 How do we get our nitrogen?
Your
O plant protein
eating meat
O the atmosphere
we don't need nitrogen
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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.

Which mathematical relationship should you us to convert moles of a substance into grams

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