isotopes differ in the number of

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
isotopes differ in the number of	1.98	0.1	2058	44	32
isotopes	0.24	1	7195	68	8
differ	1.28	0.5	8198	44	6
in	0.55	0.7	8147	50	2
the	2	0.2	5342	53	3
number	1.57	0.2	4108	63	6
of	1.29	0.7	1562	37	2

Keyword	CPC	PCC	Volume	Score
isotopes differ in the number of	0.84	0.2	7319	71
isotopes differ in the number of protons	1.72	1	549	2
isotopes differ in the number of they contain	0.87	0.9	8723	31
atoms of isotopes differ in the number of	0.93	0.4	8420	85
isotopes of carbon differ in the number of	1.27	0.6	5834	5
isotopes of an element differ in the number	0.02	0.7	1578	39
isotopes differ in their number of what	1.99	0.7	8651	41
isotopes have the same number of but differ	0.31	0.5	7256	80
isotopes differ in the number of what	0.35	0.8	4607	51
isotopes of an atom differ in the number of	1.43	1	5679	91