When entering coefficients to balance equations, recall that just writing the symbol implies "1." therefore, if a coefficient of "1" is required, choose "blank" for that box. balance the following equation. 2c2h2 + o2 → 4co2 + h2o plz i really need

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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.