Which element is placed in the same period as ruthenium but has a higher atomic number than it? bismuth osmium silver zirconium

How many neutrons does a atom of cobalt have?

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.

What must occur for air masses to form fronts