If you drink at 2am can you pass a drug test at 6pm

The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as

Is of of 3- ? a. 1--3- b. 1--2- c. 1--3- d. of

Why is any chemical reaction always balanced? give reasons and explain the easiest way to solve the balancing problems in chemical equations with stoichiometric coefficients upto 20 as hit and trial doesn't always work. give full reasoning