A bond in which atoms give up and gain electrons is called what?

An ion with a positive charge is called what?

What happens in the process of freezing?

Matter that has no definite shape or volume is called what?

What happens in the process of evaporation?

Organic chemistry specifically studies compounds of what element?

A simple pendulum consists of a small 50.0 g ball hanging on a 0.800 m long thread of negligible mass. The ball is pulled a small angle to one side and released. Calculate  the period of oscillation.

Which of the following statements best describes the mechanisms explaining improvements in quality of life with exercise participation?

Which of the following is NOT a reason why quality of life is important to exercise specialists?  

What does health-related quality of life (HRQoL) primarily refer to?