Answer:
its B
Explanation:
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A neutron has neither a negative or positive charge, it’s neutral
Answer:
Ne
Explanation:
Atomic number of Ne is 10.
Electronic configuration of Ne:

Octet of Ne is complete . Element having complete octet are stable and behave ideal gas.
and
are reactive and hence, does not behave as ideal gas.
Its Homogenous Centrifuges are used to speed up the process of separating Homogeneous mixtures.