What determines the order of the elements in the modern periodic table ?

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

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?

The biosphere of the earth is made up of what compound? organic or inorganic?