An atom with an equal number of electrons and protons has no
a. reactivity
b. weight
c. charge

Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong