Compare your observations with the Mineral Identification Key (Linked to Class
Plan) to determine the names of each of the numbered samples below.
Sample 7:
Sample 13
Sample 23
Sample 25
Sample 26
Sample 27

What is the temperature of one mole of helium gas at stp?

The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table. state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?