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Goryan [66]
3 years ago
13

The mass of sample X is 20.0 g. It was placed in a graduated cylinder and the water level rose from A to B. What is the density

of sample X? Pay close attention to significant figures
Chemistry
1 answer:
Nadya [2.5K]3 years ago
3 0

Answer: 4.0 g/ml

Explanation:

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Based on the Hund's Rule, the three electrons in a 2p orbital are arranged as shown in option C.

<h3>What is an orbital?</h3>

The term orbital refers to a region in space where there is a high probability of finding the electron. We know that an electron in an atom could be defined by the use of four sets of quantum numbers which are;

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Hund's rule states that, electrons occur singly before pairing takes place. In this case, we can see that the only arrangement that obeys the Hund's Rule is option C.

Learn more about Hund's rule:brainly.com/question/12646067

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