Question

N
GROUP
1
2
13 | 14 | 15 | 16 | 17
PERIOD
1
B
2.
A part of the periodic table is
shown in the question; answer the
ollowing questions on it.
a) If B combines with A, what
will be its formula?
E
b) Name an element which can
only form covalent bonds.
c) Write the electronic
configuration and valency of
C.
d) Between D and C which will be more electronegative?
e) How many shells will A have in its atom?
​

Answer 1

Answer:

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