Calculate the Overall Change in Energy When an Electron Is

question 7

Multiple Choice

Calculate the overall change in energy when an electron is transferred from a sodium atom, Na, to a chlorine atom, Cl, to form a sodium ion, Na⁺, and chlorine ion, Cl^-. The first ionization energy of sodium is 5.14 eV. The electron affinity of chlorine is +3.62 eV.

• A) 1.52 kJ mol^-1
• B) 845 kJ mol^-1
• C) 147 kJ mol^-1
• D) 495 kJ mol^-1

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Definitions:

Ideal Body Weight

A weight range deemed optimal for an individual's height for health and longevity, often calculated based on gender and height.

Imbalanced Nutrition

A state of nutrition in which intake does not match the body's needs, leading to undernutrition or overnutrition.

Impaired Swallowing

Difficulty in the passage of solids or liquids from the mouth to the stomach, potentially leading to risk of aspiration or malnutrition.

Pocketing Of Food

The act of holding food in the cheek pouches without swallowing, often observed in individuals with swallowing difficulties or dental issues.