Por que los elementos del grupo 17 captan un electron con mucha facilidad, fomando un ion de carga -1, pero es muy dificil que capture un segundo electron y nunca forman iones con carga -2

50 pts plz what is the physical state of matter of baking soda.

What energy is it when you flip on a switch on a lamp

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)