Nos séculos xix e xx, cientistas propuseram modelos para a estrutura da matéria, os quais foram elaborados, principalmente, com base em dados experimentais. associe esses dados aos modelos

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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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c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

i think its 100

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