What measurment is use to measure liquid?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.