In 1913, an Element Was Known to "Emanate" from Radium-226

question 109

Multiple Choice

In 1913, an element was known to "emanate" from radium-226 by  emission and then to decay to polonium-218, also by  emission. What was the unknown element?

• A)radon-222
• B)lead-214
• C)plutonium-238
• D)bismuth-214
• E)lead-218

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Definitions:

Parent-Country Nationals

Employees who are citizens of the country where the parent company of their employer is situated, working abroad in the company’s foreign branches.

Expatriate Training

The preparation provided to employees and their families before they go on an international assignment, focusing on cultural, language, and professional aspects.

Repatriation

The process of returning individuals to their home country or the return of assets to their country of origin.

Cross-Cultural Adjustment

The process individuals undergo to adapt to new cultural environments and norms.