You have a 160 ng/ul solution of pML104-gRNA11. You want to add 1 ug of plasmid to the yeast being transformed. How many microlitres (ul) will you add

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!