2 plus n is the true one, but 1 plus n is not?
(n2 + n)/2 1+2+3+4+5+n= 15+n
2 plus 2 plus n equals 6 n equaling 2
The sum of integers from 1 to n is n/2 times (n + 1), in this case 7.5 x 16= 120
N plus ninety-one
It's a covalent bond.
polar
Natrium azide has an ionic bond.
When K+ and I- combine, a(n) _________ bond results.
This bond is covalent.
ionic bond
polar
Covalent. In compounds this may be a single or double bond. In the elemental form N2 there is a triple bond.
Here is a covalent bond.
A convalent bond.
Non-polar Covalent Triple Bond
A compound of aluminum and chlorine has an ionic bond.