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Atomic Numbers
Questions (2)
1) What is the atomic # for selenium?
34 2) Write the full electron configuration for selenium following the (n+l) rule? I am not
4 answers
asked by
Hannah
6,247 views
Given the following Unknown atoms with their respective atomic numbers,
X; Atomic number 19, Y; Atomic number 15, a. Deduce the
2 answers
asked by
bliss
548 views
Parent Categories (2)
Chemistry
Periodic table elements