Question , parutles canal rays. 11. Marie Curie was born in Poland but studied a

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, parutles canal rays. 11. Marie Curie was born in Poland but studied and carried out her research in Paris. In 1903, she shared the Nobel Prize in Physics with H. Becquerel and her 1911 she received the Nobel Prize in Chemistry for the discovery of two new chemical elements, radium and polonium, the latter named for her homeland, Poland.) They and others observed that a radioactive substance and gamma (y). If the radiation from a radioactive source is passed between electrically charged plates some particles are attached to the positive plate, some to the negative plate, and others feel no attraction. Which particles are positively charged, which are nega- tively charged, and which have no charge? Of the two charged particles, which has the most mass? particles

Explanation / Answer

alpha particles: positively charged

beta particles: negatively charged

gamma particles: have no charge

alpha particles have more mass

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