The radium isotope 220 Ra has a half-life of 1600 years. A sample begins with 5.50x1010 220 Ra atoms ▾ ▼ Y Part A How many are left after 200 years? View Available Hint(s) N = Submit Part B How many are left after 3000 years? ▸ View Available Hint(s) N= IVE| ΑΣΦΑ Submit Part C xª N = 95] ΑΣΦ | Xb Submit √x √xx Previous Answers X Incorrect; Try Again; 3 attempts remaining How many are left after 30000 years? View Available Hint(s) ΓΙ ΑΣΦ x 9 ? ? ? X-10
Nuclear Fusion
Nuclear fusion is a type of nuclear reaction. In nuclear fusion, two or more than two lighter atomic nuclei combine to form a heavier nucleus. During this process, an enormous amount of energy is released. This energy is called nuclear energy. Nuclear fusion is the energy source of the sun and stars.
Fusion Bomb
A fusion bomb is also known as a thermonuclear bomb or hydrogen bomb which releases a large amount of explosive energy during a nuclear chain reaction when the lighter nuclei in it, combine to form heavier nuclei, and a large amount of radiation is released. It is an uncontrolled, self-sustaining nuclear chain reaction where isotopes of hydrogen combine under very high temperature to form helium. They work on the principle of operation of atomic fusion. The isotopes of Hydrogen are deuterium and tritium, where they combine their masses and have greater mass than the product nuclei, get heated at high temperatures, and releases energy.
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