Consider the following part of the periodic table: Draw it a bond paper.
3A
He
Be
Na
Si
са
Ga
Ge
Br
Rb
Te
1
CS
Ba
Ро
Figure 1. Periodic Table on the Representative
Q1. Which of the above elements are metals? Color them green. Which of them
are non-metals? Color them yellow. Which of these elements are the noble
gases? Color them blue.
Q2. Which number will give you an idea on the number of valence electron that
an atom has?
Q3. What do you observe of the number of valence electron of metals, non-
metals and noble gases?
Q4. What can you say of the electronegativity values of metals, nonmetals and
noble gases?
Q5. How can you describe the ionization energy values of metals, nonmetals
and noble gases?
MAM JOY
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