"2 plus 2" is not a scientific formula. In fact, it is not a formula of any sort.
2
There is no formula for scientific energy.
the scientific formula is H2O
1+2+3+4=10
If you mean the sum of first n natural numbers then the formula is (n(n+1))/2 for example, 1+2+3+4+5=5*6/2=15
It is not science, but arithmetic that tells us that 2+2 is 4.
If you mean: a^2 + b^2 = c^2 then it is Pythagoras' theorem or formula for a right angle triangle
formula for the midpoint of a line
Barium sulfide is BaS.
83 + 2 = 85 (Excel formula: =83+2)
CrO4-2
Only Be(OH)2.