Nexus ScientificLogo Design Contest

I designed this logo from an idea off the top of my head, but upon researching the word nexus i found its meaning which relates back to my logo ,the n is at the core, and its also a connection, any ideas etc dont hesitate to contact me

Thank you for your submission. Interestingly N is the symbol for Nitrogen, the 7th element on the periodic table and technically has 7 electrons. Any ideas on how to incorporate 7 electrons around the nucleus or leave the symbol but remove the N and make the two small balls a different color?
Thank you for your contribution and interest.

new submission, different coloured balls and the atoms in a circular shape to give it more of a connection like its meaning

Cheers for the new ranking if theres anything youd like me to change about my submission dont hesitate to ask
Yours John

Just a few new submissions exploring a different type face and colours ,effects etc, if you like any component of the new logos let me know yours
John

RE:example Rank 1
Hello,
I've selected you as the winner based on your excellent design. Thank you for your submission.
Can you adjust the final logo to reflect a small change? I would like the little gray ball on the left to be green.
Many thanks.