Determine whether the stopcock should be completely open, partially open, or completely closed for each activity involved with titration. a. Close to the calculated endpoint of a titration
b. At the beginning of a titration
c. Filling the buret with titrant
d. Conditioning the buret with titrant

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.

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

Write a balanced equation showing the formation of copper (ii) nitrite from its elements