the radius of the Ca atom is 0.197 nanometers; the radius of the Ca2+ ion is 0.099 nanometers. account for this difference.

What type of matter is made of only one kind of atom

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

How many moles of kci are produced from 2.50 moles k