Web2) In order to explain the charge neutrality, he supposed that the sphere in which electrons are embedded is positively charged. In his model, he took the electrons embedded into the positive sphere because he found that these electrons (not some positively charged particle) were emitted by a vast range of marerials. WebWhich of the following is a description of Dalton's model? A) An atom is composed of evenly distributed negative and positive charges. B) An atom is composed of positive particles …

When did rutherford contribute to the atomic theory?

WebOct 31, 2024 · British physicist Joseph John Thomson made the first major breakthrough in the understanding of atoms in 1897 when he discovered that atoms contained tiny negatively charged particles that he... cymbalta and td

Thomson

WebWhat contribution did John Dalton make to atomic theory? answer choices He discovered that every atom was positively charged. He discovered that every element consisted of one type of atom. He discovered that atoms had nuclei. He discovered that atoms could be divided into smaller parts. Question 12 60 seconds WebJ.J. Thomson's cathode-ray tube experiments led him to develop the plum-pudding model, which stated that each atom had negatively charged particles spread throughout its … WebJun 14, 2024 · He thus conceived an atomic model (Figure 1) consisting of a spherical, positively charged atom with electrons suspended and distributed within. He likened this structure to 'plum pudding' (an... cymbalta and sulfa allergy