Arrange the following elements in order of increasing atomic radius.

K, Li, O, Se

Can someone me with questions 12 and 13 plz.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

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.