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Chemistry, 14.10.2020 01:01 untouchedyannaa

Which of the following sets of elements is written in order of decreasing atomic radius? (1) platinum, lead, arsenic, radium, tungsten.
(2) arsenic, lead, platinum, tungsten, radium.
(3) radium, tungsten, platinum, lead, arsenic
.(4) tungsten, platinum, lead, arsenic, radium

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