Lithium nitrate reacts with potassium sulfide to form potassium nitrate and lithium sulfide. What mass of potassium nitrate is produced when 0.557 moles of potassium sulfide are used? 2 LiNO3 + K2S -> 2KNO3 + Li2S

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.