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Which one of the following lists contains a transition metal, an alkali metal, and a metalloid, in that order?

What nuclide is produced when Ar-39 decays by beta emission?

Balance the following equation: ___Al  +  ___H2SO4  

This question is a bonus question worth 3.5 points. Determine the [OH-] of a solution with a pH = 12.6

A steel tank contains oxygen gas at 480 mm Hg, nitrogen gas at 0.65 atm, and helium gas at 176 torr. What is the total pressure of the gas mixture in the tank (in atmospheres)?

I have read the course syllabus and understand the college’s and instructors course expectations.   

Stereotypes can affect the accuracy of our perceptions. 

Your best friend grew up with a pet rat, while you grew up in New York City where rats are seen as dirty and invasive. The word “rat” has very different ___________ meanings for you and your friend. 

Which of the following conclusions can a cosmetologist make if a client expresses concern about not being able to grow the hair beyond shoulder length?

All of the following are living portions of hair that are below the skin surface EXCEPT __________.