The formula of the binary compound formed by the element with atomic number 120 and sulphur is:
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(ii) Element 120 belongs to group 2 with a valence of 2. Oxygen belongs to group 16 with a valence of 2. Hence the formula of the compound formed would be Ubn. O.
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2
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The electronic configuration of the element X with atomic
number 120 is [Uuol 852. Thus, it belongs to second group
and its valency is 2.
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