How does the revolution of the moon affect its appearance?

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How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.