How do the number of electrons change across the periodic table?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Table sugar completely dissolved in water is an example of a?