2(NaHCO3) how many atoms of hydrogen

2 hydrogen atoms

2 Na atoms

2 carbon atoms

6 oxygen atoms

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

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periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.