Which element indicated by letter in the following periodic table is a gas at room temperature and a pressure of 1.0 atm? 
Definitions:
Anabolic Steroid Abuse
The misuse of synthetic substances related to testosterone, often to enhance athletic performance or physical appearance, with potential harmful side effects.
Increased Muscle
Refers to the growth or enhancement of muscle mass and strength, often as a result of physical exercise.
Reduced Body Mass
A decrease in the total amount of body weight, specifically in terms of fat and muscle.
Cognitive Theory
A psychological framework that emphasizes the role of mental processes in understanding behavior, emotions, and thought patterns.
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