What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays

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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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since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.