When scientists say that we need to conserve energy, what do you think they really mean?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Nan element’s square on the periodic table, the number with the greatest numerical value represents the