The ability to travel great distances in the shortest time was achieved by which invention?

Idon’t know how to solve this question

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

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.