Which of the Following Pairs Are Isotopes

question 9

Multiple Choice

Which of the following pairs are isotopes?

• A)(Ca⁺² and Mg⁺²)
• B)(¹⁹⁹Hg and ²⁰⁰Hg)
• C)(¹⁸O and ¹⁹F)
• D)(²³⁸U and ²³⁸Np)

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Definitions:

Changing Seasons

The division of the year based on shifts in weather, ecology, and hours of daylight, resulting from the Earth's orbit around the Sun and its axial tilt.

Inspirations for Social Change

Factors or agents that motivate or influence the undertaking of actions aimed at altering social structures or practices.

Social Change

The alteration in the social order of a society, encompassing changes in the nature, social institutions, social behaviors, or social relations of a society.

Mobilization

The process of assembling, organizing, and deploying resources, including people and infrastructure, for a specific purpose or action.