A chain reaction is a nuclear reaction that occurs when sufficient unstable nuclei are present so that when one splits (decays), its products hit other unstable nuclei, causing them to decay and initiating a chain reaction.
If this reaction goes uncontrolled, a massive explosion occurs. Such a reaction is the type that went uncontrolled when nuclear bombs were dropped over Hiroshima and Nagasaki in World War II. A chain reaction is much like dominoes all in a row; when one goes down, they all go down in order. The only way to block the chain reaction is to pull out a domino or to block the fall so the "chain" is broken.
The amount of fissionable material needed to accomplish a spontaneous chain reaction is called the critical mass. The critical mass for U-235 is about 1 kg. This explosive fission process takes place quickly, and an incredible amount of energy is released when it occurs.
So it would be C.
The process of mineral formation from particles dissolved in a liquid or a melt is called crystallisation.
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Answer:
Antarctica and Australia
Explanation:
Since both of these are furthest south it is more difficult to measure the correct distance between them.
This is false, they have intermediate properties between suspension and true solution
Answer:
The possible numerous
side effects of atomoxetine.
Explanation:
The side effects of atomoxetine are numerous and so it should be included in the lesson plan.
Side effects like Stomach upset, nausea, vomiting, constipation, tiredness, loss of appetite/weight loss, dry mouth, dizziness, drowsiness, trouble sleeping, or decrease in sexual ability/desire may occur.
Also,increased blood pressure, difficulty urinating, fainting,liver damage, abdominal pain, heart attack, stroke.
