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Describe a characteristic of a fissionable substance that is essential for a chain-reaction to sustain itself?
The fission process is sustained by neutrons. A neutron entering a nucleus and causing fission must be replaced in order to cause the next fission, and so on. So the fissionable substance must emit more neutrons when fission occurs, and enough of them so that despite some being absorbed by the moderator and some leaking from the reactor boundary, there is still enough to maintain the chain reaction. Uranium 235 emits on average about 2.5 neutrons per fission (you might say what is half a neutron, but this is explained by the fact that fissions have a range of possible results, with different numbers of neutrons emitted, and the average is 2.5).
What does sustanace mean?
Substance refers to something that has material existence, often used to describe food or provisions needed to maintain life or health. It can also describe the essential element or quality of something.
Is basic a chemical property?
Yes, basicity is a chemical property.
A term used to describe any element or compound?
A term used to describe any element or compound is called a substance or substances.
What is the scientific term used to describe a substance that will not dissolve?
The scientific term used to describe a substance that will not dissolve is "insoluble." This means that the substance does not readily mix with a solvent to form a homogeneous solution.
Describe a characteristic of a fissionable substance that is essential for a chain-reaction to sustain itself?
The fission process is sustained by neutrons. A neutron entering a nucleus and causing fission must be replaced in order to cause the next fission, and so on. So the fissionable substance must emit more neutrons when fission occurs, and enough of them so that despite some being absorbed by the moderator and some leaking from the reactor boundary, there is still enough to maintain the chain reaction. Uranium 235 emits on average about 2.5 neutrons per fission (you might say what is half a neutron, but this is explained by the fact that fissions have a range of possible results, with different numbers of neutrons emitted, and the average is 2.5).
What are characteristic that describe the ability of a substance to form a new?
Chemical properties
The color and density of ink are both examples of?
Physical properties of matter. These properties describe the characteristics of a substance that can be observed or measured without changing the substance's identity.
Why is each characteristic important?
Density Solubility Buoyancy Melting Point Boiling Point Odor Flammability
Can you describe the characteristic of a circle?
circles don't have any characteristic's.
Do any adjective describe essential?
'Essential' is an adjective. No others describe it.
What does sustanace mean?
Substance refers to something that has material existence, often used to describe food or provisions needed to maintain life or health. It can also describe the essential element or quality of something.
Which is not characteristic of George Washington?
One characteristic that does not describe George Washington is alive.
Is there a suffix tial?
Yes, the suffix "tial" is a common suffix in English. It is used to form adjectives that describe a quality or characteristic. Examples include "essential," "potential," and "initial."
The density of a substance is a state of matter of the substance?
Density is actually a physical property of a substance, representing the amount of mass present in a unit volume of the substance. It is not a state of matter but rather a characteristic that helps describe how closely packed the particles of a substance are.
What word means any measurable characteristic?
You could describe any measurable characteristic as a trait.
What is a summary measure that is computed to describe a characteristic of an entire population called?
a summary measure that is computed to describe a characteristic of an entire population is called:
