The Zirconium Nucleus Contains 40 Protons,and an Electron Is 1

question 49

Multiple Choice

The zirconium nucleus contains 40 protons,and an electron is 1.0 nm from the nucleus.What is the electric force exerted on the electron by the nucleus? ( e = 1.60 × 10^-19 C,k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)2.9 nN
• B)1000 C
• C)3.7 nN
• D)6.8 nN
• E)9.2 nN

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Definitions:

Survival Value

The degree to which a behavior or trait contributes to an organism's likelihood of survival and reproduction in a given environment.

Behavior Feedback Effect

describes how the expression of a behavior can influence and reinforce the feelings and attitudes associated with that behavior.

Facial Feedback Effect

The hypothesis that facial movements can influence emotional experiences, suggesting that smiling can make you feel happier.

Self-Reported Emotions

Emotions that individuals acknowledge and describe about themselves, typically through verbal or written reports.