Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
isotopes of nitrogen | 0.8 | 0.8 | 27 | 56 | 20 |
isotopes | 0.44 | 0.7 | 5161 | 33 | 8 |
of | 1.58 | 0.7 | 4275 | 39 | 2 |
nitrogen | 1.01 | 0.2 | 5371 | 43 | 8 |
Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
isotopes of nitrogen | 1.81 | 0.2 | 3539 | 26 |
isotopes of nitrogen-15 | 0.29 | 0.8 | 2053 | 61 |
isotopes of nitrogen 14 | 0.05 | 0.6 | 3844 | 34 |
isotopes of nitrogen abundance | 0.83 | 0.4 | 2580 | 90 |
what are the stable isotopes of nitrogen | 1.67 | 0.4 | 9831 | 55 |
stable isotopes of nitrogen | 1.17 | 0.5 | 4438 | 32 |
how many isotopes does nitrogen have | 0.48 | 0.6 | 8314 | 36 |
carbon and nitrogen isotopes in aerosols | 1.79 | 0.7 | 3285 | 44 |
tree whose roots contain nitrogen isotopes | 1.14 | 0.2 | 2150 | 27 |
does nitrogen have isotopes | 0.63 | 1 | 3085 | 64 |
nitrogen 15 isotopes | 1.19 | 0.8 | 210 | 8 |
select the two isotopes of nitrogen-15 | 0.61 | 0.1 | 2693 | 99 |