Water evaporates from earth and then cools and returns to earth as
a: cloud cover
b: condensation
c: percipitation
d: surface runoff

What is the name of this hydrocarbon?

Which element is the least metallic between cadmium, silver, zinc, or iron?

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.