Is there more than100 elements in the periodic table?

The most efficient way to establish the best possible economizer position is to measure

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?