The Wavefunction for the 2s Orbital in Hydrogen Is Given $R_{2 s}=\frac{1}{2 \sqrt{2}}\left(\frac{Z}{a_{0}}\right)^{3 / 2}(2-\sigma) \exp (-\sigma / 2) \text { where } \sigma=\frac{\mathrm{Zr}}{a_{0}}$

question 26

Multiple Choice

The wavefunction for the 2s orbital in hydrogen is given by $R_{2 s}=\frac{1}{2 \sqrt{2}}\left(\frac{Z}{a_{0}}\right) ^{3 / 2}(2-\sigma) \exp (-\sigma / 2) \text { where } \sigma=\frac{\mathrm{Zr}}{a_{0}}$ At what radius is there a node?

• A) r = 0
• B) r = 2/a₀
• C) r = a₀
• D) r = 2a₀
• E) there are no radial nodes in this function

Recognize signs and symptoms of eating disorders and their impact on adolescent health.

Identify the typical developmental changes and concerns in adolescence, including gynecomastia and growth delays.

Understand the importance of early prenatal care in pregnant adolescents.

Comprehend strategies for preventing unwanted pregnancies and managing postcoital contraception.

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A period in Japanese history (1185-1333) marked by the rule of the Kamakura shogunate, notable for its significant cultural and artistic developments, especially in Buddhist art.

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A period in Japanese history (around 300 BCE to 300 CE) characterized by the introduction of agriculture, metalworking, and new pottery styles from the Asian continent.

Yayoi Period

A period in Japanese history from about 300 BCE to 300 CE, characterized by the introduction of rice farming, metallurgy, and new pottery techniques.

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