How many Valance electrons are in an atom of phosphorous

Why does aluminium react with iron oxide!

Why is it important to maintain a constant volume of reactants despite changing the relative amounts of reactants?

Using the following phase diagram, which line segment describes the interface between solid and vapor? A-B B-C A-B-C B-D

What are the common types of weak bonds important in biochemistry? How does water affect these bonds?

In the relationship between 'DeltaG' and K for a given reaction, if 'DeltaG' is negative, what is K?

How does the size of ions affect the conductivity of a solution?

How to write complete ionic and net ionic equations?

chromium can combine with chlorine to from corneum chloride which equation is a correct representation of this reaction

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu? (a) 65.3 amu (b) 64.4 amu (c) 64.9 amu (d) 65.0 amu (e) 64.8 amu

Is this base a physical or chemical property?