art of periodic table given below and answer the following
questions:
Group Period 1
2
13
14
15
16
17
18
BE THK
(
Out of E & H the atom of which element is smaller in size?
(b) Which element is most electropositive?
Which element has only one proton in its atom?
(
What is valence of G?
How many valence electrons does G have?
(f) Name the element which is a metalloid.
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