Q1.Where can you find metals,non-metals and noble gases in the periodic table of elements?
Q2.which number tells you the number of valence electron?
Q3.what do you notice in the number of valence electron of metals,non-metals and noble gases?
Q4.what kind of element has:
a.less than 4 valence electrons?
b.more than 4 valence electrons?
c.low electronegativity?
d.high electonegativity?
e. low ionization energy?
f.high ionization energy?