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Chemistry, 25.11.2020 01:40 sweetyus06

A sample substance has the chemical formula: H2CO3
One molecule of the sample contains -

Two different elements with atomic numbers 1 and 27

Two different elements with atomic numbers 1, 6, and 8

Two different elements with atomic numbers 2 and 29

Two different elements with atomic numbers 2, 8 and 20

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