131. How many minimum number of coplanar vectors 1 point having different magnitudes can be added to give
zero resultant?
O a)2
b)3
O c) 4
O d) 5
Clear selection​

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

well in order to answer this question you have to provide more information < 3

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.