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Physical-Science1
| Question | Answer |
|---|---|
| Who was the first scientist to have a hypothesis about X-rays? | Henri Becquerel... |
| Who gave radioactivity its name? | Marie Curie... |
| What is radio activitie's second name? | Radioactive decay... |
| What are the three types of radio active decay? | Alpha decay, Beta decay,& Gamma decay... |
| What nucleus is similar to the alpha particle? | A helium nucleus... |
| What is conservation in alpha decay? | In an alpha particle the mass number is conserved and the charge is also conserved... |
| What is a beta particle? | It is either a positron or an electron... |
| How many types of beta decay are there? | There are two types of beta decay... |
| What are the two types of beta decay? | One is carbon-14 undergo beta decay. Two is some isotopes undergo beta decay... |
| What is an isotope? | Is an atom that has the same number of protons as other atoms of the same element, but do not have the same number of eutrons... |
| What is gamma decay? | The release of gamma rays from the nucleus... |
| What causes gamma decay to not cause an element to change into another element? | It's because gamma rays have no mass or charge |
| What are the penetrating powers of each particle? | Alpha:is stopped by paper or clothing Beta:is stopped by 3mm of aluminum Gamma:is stopped by a few cm of lead or a few m of concrete... |
| What happens when an organism absorbs radiation? | Its cells can be damaged... |
| What are the symptoms of radiation symptoms? | Include fatigue, loss of appetite,hair loss, destruction of blood cells, and can even result in death... |