Which of the Following Statements Is/are CORRECT for an Oxygen

question 53

Multiple Choice

Which of the following statements is/are CORRECT for an oxygen atom?
1) The effective nuclear charge felt by a 2s electron is greater than that felt by a 1s electron.
2) The effective nuclear charges felt by 2s and 2p electrons are identical.
3) The effective nuclear charge felt by a 2p electron is less than that felt by a 2s electron.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 3
• E) 1,2,and 3

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Definitions:

Markup Percent

The percentage increase on the cost price of goods to determine the selling price, representing the profit margin.

Cost

The amount of money required to purchase, produce, or maintain something, often considered in business and financial contexts.

Markup Percent

The percentage increase on the cost price of goods to arrive at the selling price.

Selling Price

The amount of money for which a product or service is sold to customers.