okay
true
Apex-False!!
false (APEX)
Not exactly,
Half-life is the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or the time required for the number of disintegrations per second of a radioactive material to decrease by one-half.
Half-lives are characteristic properties of the various unstable atomic nuclei and the particular way in which they decay. Alpha decay and beta decay are generally slower processes than gamma decay.
No.The halflife is the amount of time it takes for the amount of radioactivity to decrease by half. It may take three halflives for the radioactivity to completely go away.
I am sure.
No, the half-life of a radioactive substance is the total amount of time it takes for half of the substance to decay.
Half-life is the time required for the number of atoms present to decrease to one-half their initial value.
Half life and different elements have different half lives
The half-life is the amount time for half of the atoms in any given quantity of radioactive material to undergo radioactive decay.
That's called the half-life of the isotope (substance).
The amount of matter a substance is made of is called "mass".
AnswerA SoluteA substance in which another substance is dissolved, forming as solution ( -A substance, usually a liquid, capable of dissolving another substance. )A SOLUTE is usually the added substance (the lesser amount) that dissolves in the Solvent (usually the greater amount)
The substance in a solution that is present in the smaller amount is called the solute. The substance that has a higher amount is called the solvent.
solubility.
The SI base unit for the amount of substance is the mole (mol).
halflife
Any substance which is emitting ionizing particles is radioactive. An example is the metal called Plutonium.
The amount of matter a substance is made of is called "mass".
This amount is called solubility at a given temperature and pressure.
That is called the density of the substance.
Of course, "halflife" is not the correct term to use in this context, so I am supposing that you are asking how long as in "how many years of use" or "how many rounds fired" can you expect an M16 to function. This is also called "service life". The answer depends entirely on how the machine is treated. If it is properly cleaned and has minor parts replaced as they wear and break, the rifle will last for many years and/or many tens of thousands of rounds. You can research the endurance testing that the US Army has employed to determine the tolerance to hard use. "Halflife" refers to radioactive material and is the amount of time required for half of the material to decay.
When a substance dissolves in another it is called "SOLUBLE" in that other substance. The one in greater amount is called the solvent, and the one in lesser amount is called the solute.
AnswerA SoluteA substance in which another substance is dissolved, forming as solution ( -A substance, usually a liquid, capable of dissolving another substance. )A SOLUTE is usually the added substance (the lesser amount) that dissolves in the Solvent (usually the greater amount)
concentration
concentration
The substance in a solution that is present in the smaller amount is called the solute. The substance that has a higher amount is called the solvent.
solubility.