It's 1+1 and it equals 2 in decimal system
The formula for H plus 1 plus H minus 1 is 2H. This is because the +1 and -1 charges cancel each other out, leaving only the H atom.
D_w/c DICK WITH CHEESE
1+2+3+4=10
No. You'd have to use the ABC-formula
(10 + 1) x 10/2
times 2 plus 1
Cr3br
The sum of 2n, for n= 0 to 29.
The formula for silver plus one ion and chlorine is AgCl. Silver has a +1 charge (Ag+) and chlorine has a -1 charge (Cl-), so they combine in a 1:1 ratio to form the compound silver chloride.
0
1 + 2 + 4 + ... + 2n = 2n+1 - 1
"2 plus 2" is not a scientific formula. In fact, it is not a formula of any sort.