Chemistry
What is the significance of the number of protons found in the atoms of different elements?
Related Questions
(a) What are inert elements?
(b) Why do they exist as monoatoms in molecules?
(c) What are valence electrons?
In what respect do the three isotopes of hydrogen differ ? Give their structures.
The element X has the electronic configuration 2, 8, 18, 8, 1. Without identifying X,
(a) predict the sign and charge on a simple ion of X.
(b) write if X will be an oxidising agent or a reducing agent and why.
Define the terms :
(a) mass number
(b) ion
(c) cation
(d) anion
(e) element
(f) orbit.