8. what is the trend for atomic radius from li through ne? what can be said about atomic radius of
elements as you move across a period?

9. what is the trend in atomic radius for the elements li, na, and k?

8: atomic radius from Li to Ne usually increase due to decrease of effective charge of nucleus also screening effective for heavy metal is increasing due to increase of inner electrons

9from Li,Na to K it's also increase due to increase of successful outer shell or shell number

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.