These radioactive elements in minerals and ores originally found in the environment are commonly ... including phosphate, clay and building materials. The type and amount of radioactive materials ...

Types of Radiation The term "radiation" is very broad ... depending on the geographical location by several hundred percent. In homes and buildings, there are radioactive elements in the air. These ...

During the decay of radioactive elements in the early history of the solar system ... They are considered some of the most beautiful meteorites. There are two different types of stony-iron meteorites: ...

Another type of radioactive decay results in products that vary ... There are 28 naturally occurring chemical elements on Earth that are radioactive, consisting of 34 radionuclides (6 elements have 2 ...

There are three main types - alpha, beta or gamma ... JON CHASE:'In this case, the radioactive element that we are looking at, 'is something called americium. 'Americium is gradually decaying ...

In 1902 Ernest Rutherford and Frederick Soddy discovered that radioactive elements, such as uranium and thorium, broke down into other elements in a predictable sequence or series. This amazing ...