Which of the following increases as you move up a column of the periodic table? a. atomic number
b. number of electrons
c. atomic radius
d. electronegativity
12 CA 1 Which of the following elements can form a covalent (molecular) bond with nitrogen?

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.