An atom of barium has the atomic symbol shown below. Which statement is FALSE regarding this atom of barium?

The excretory system,need answers for all: )

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Which of the following units is not an official si unit? mole liter kilogram ampere