Which of These Species Make an Isoelectronic Pair: Cl⁻, O²⁻

question 69

Multiple Choice

Which of these species make an isoelectronic pair: Cl⁻, O²⁻, F, Ca²⁺, Fe³⁺?

• A)Ca²⁺ and Fe³⁺
• B)O²⁻ and F
• C)F and Cl⁻
• D)Cl⁻ and Ca²⁺
• E)None of the above species are part of an isoelectronic series.

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Definitions:

Nuclear Freeze

A proposal to halt the production, testing, and deployment of nuclear weapons and their delivery systems.

Nuclear Weapons

Explosive devices designed to release energy in an explosive manner as a result of nuclear fission, fusion, or a combination of both.

Significance Level

A threshold in hypothesis testing that determines the probability at which the null hypothesis is rejected, commonly denoted as alpha.

Confidence Interval

An interval of values sourced from sample observations, which is expected to include the unknown value of a population characteristic.