Many animals needlarge quantities of phosphorus to make

Animals take phosphorus from

Animals take phosphorus from

When a minute quantity of phosphorus is added to a silicon crystal the latter becomes

34.05 mL of phosphorus vapour weigh 0.0625 g at 546^(@)C and 1.0 bar pressure. What is the molecular mass of phosphorus? How many atoms are there in one molecule of phosphorus?

How many base quantities are there?

How many base quantities are there?