Give the formulas for all of the elements that exist as diatomic molecules under normal conditions.
See if you can do this without looking anything up.
H_2_ N_2_ O_2_ F_2_ Cl_2_ Br_2_ I_2_
Give the symbols for all of the elements that exist as monatomic gases under normal conditions.
He Ne Ar Kr Xe Rn
Complete the following table by providing a formula that best represents a macroscopic sample of the element.
what is the compound NH_3_
what is the compound NO
what is the compound P_4_O_10
what is the compound NO_2_
what is the compound BrCl_5_
what is the compound N_2_O_5_
What is the name of the compound with the formula S2F10?