The Atomic Radius of Sodium Is 186 Pm and of Chlorine

question 6

Multiple Choice

The atomic radius of sodium is 186 pm and of chlorine is 100 pm. The ionic radius for Na⁺ is 102 pm and for Cl⁻ is 181 pm. In going from Na to Cl in Period 3, why does the atomic radius decrease while the ionic radius increases?

• A)The inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do.
• B)The inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion.
• C)The outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do.
• D)The outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do.
• E)Monatomic ions are bigger than the atoms from which they are formed.

Comprehend how the structure of cost curves relates to firm decisions in both the short run and long run.

Understand the terminology and basic concepts of radiography and radiology.

Identify the various imaging techniques and their specific uses.

Recognize the correct spelling of commonly used radiology terms.

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Definitions:

Hygiene Factors

Elements related to the job environment that do not increase job satisfaction but, if absent, can lead to dissatisfaction.

Job Satisfaction

A measure of workers' contentedness with their job, including aspects like the nature of the work, and their perception of the organization.

Hygiene Factors

Elements related to the work environment, such as salary, company policies, and working conditions, that don't inherently motivate but can cause dissatisfaction if inadequate.

Job Satisfaction

The level of fulfillment or contentment one experiences with their job, including aspects like work environment, job duties, and compensation.