Which element indicated by letter in the following periodic table is a gas at room temperature and a pressure of 1.0 atm? 
Definitions:
Conscious
Being conscious involves awareness of one's own existence, thoughts, feelings, and environment.
Traumatic Brain Injury
An injury to the brain caused by an external force, leading to temporary or permanent impairments in cognitive, physical, and emotional functions.
Personally Experienced Events
Events or occurrences that an individual has directly encountered or lived through, which can shape one's memories, perceptions, and understanding of the world.
Motorcycle Accident
A traffic collision involving one or more motorcycles, often resulting in injury or damage.
Q7: What is the chemical symbol for tin?<br>A)Sb<br>B)Sn<br>C)Ta<br>D)Ti
Q11: What is the molar mass of 1-butene
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Q125: All of the following elements are nonmetals
Q166: Which of the following volumes is equal
Q177: In an acid-base neutralization reaction 23.74 mL
Q200: Glucose,C<sub>6</sub>H<sub>12</sub>0<sub>6</sub>,can be represented by the molecular model
Q203: What is the coldest temperature possible?<br>A)0°C<br>B)0°F<br>C)0 K<br>D)None
Q230: Tell the type of decay process occurring
Q248: If shaded and unshaded spheres represent atoms