Free Online Help
I am an online teacher of chemistry and mathematics.
Wednesday, March 28, 2012
an atop of hypothetical element of 31/15x consist of atom
The Atom is phosphorus represented by P
its atomic mass is 31 and atomic number is 15
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment