Please help me with this, ik its not the jumping in air one though so ya.

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

In salt water solution,the salt is the blank

Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)