How much greater is the atomic number of the fourth element in groups 1, 2 and 18 gender preceding elements

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

you didnt put any of the following

brian made this table to organize his notes on changes of state. depostion is a change of state that has the wrong energy change listed. it is utilized to collect data as a portion of the development means and in restricted conditions which may be applied at test.

a deposition in the authority of the united states or research for development in the authority of canada includes the catching of affirmed. the out-of-court verbal assertion of a spectator that may be lessened to a printed record for succeeding application for discovery purposes.