(i) The element Francium is extremely rare and very little is known about its chemical and physical properties Use the following data to estimate its density and ionization energy.
Density (g/cm3)
0.86 of K
1.53 of Rb
1.87 of Cs
Ionization energy (KJ/mol
419 of K
403 of Rb
375 of Cs

c. 4.54 x 10–12 j happens to be correct

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.