It Takes 254 KJ/mol to Eject Electrons from a Certain

question 117

Multiple Choice

It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect _ _ ?

• A) 233
• B) 472
• C) 165
• D) 552
• E) 725

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Definitions:

Interrater Reliability

A measure of consistency among different observers or raters in their assessments or evaluations.

Expert Raters

Refers to individuals with specialized knowledge or expertise in a particular area who are tasked with assessing or judging accordingly.

Graduate Students

Individuals who have completed a bachelor's degree and are pursuing further studies at the master's or doctoral level.

Informal Assessment

A less structured evaluation method that can include observations, unstructured interviews, and reviews of work, used to understand an individual's performance or needs.