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What impurities are found coal?
Coal can contain impurities such as sulfur, nitrogen, ash, and trace elements like mercury and arsenic. These impurities can have environmental and health impacts when coal is burned for energy production.
Difference between donor and acceptor impurities in semiconductors?
donor--arsenic, phosphorus, nitrogen acceptor--boron, aluminum, gallium
Donor impurity in silicon is?
Donor impurities in silicon are atoms of elements that have one more electron than silicon, such as phosphorus or arsenic. These impurities are used to make silicon into an n-type semiconductor, which means they increase the number of free electrons in the material, making it conductive.
Who was the first person to find the chemical arsenic?
Arsenic has been known about since ancient times, so there is no record of who 'found' it.
What is extrinsic conductor?
Impure semi conductor material are called extrinsic semi conductor as there a small quantity of foreign particle is present. Two types of impurities are added to an extrinsic semi conductor. When impurities belonging to third group are called as trivalent or acceptor impurities such as boron, aluminum, indium or gallium when these impurities are added in pure semi conductors they form p-type semi conductor. And similarly when impurities belonging to group fifth called as penta valent or donor impurities such as arsenic, antimony, bismuth or phosphorus are added to a semi conductor they form N-type semi conductor .
What is the scientific name for arsenic?
Arsenic is an element. The scientific name for arsenic is arsenic. Arsenic's chemical symbol is: As It is left to the student to balance the chemical equation of Arsenic and Old Lace.
Is arsenic diatomic?
No, arsenic is not diatomic. Arsenic is a metalloid element with the chemical symbol As.
Is germanium n type semiconductor?
Yes, germanium can be doped to become an n-type semiconductor by introducing donor impurities such as phosphorus or arsenic. This process increases the number of free electrons in the material, giving it an excess of negative charge carriers.
What is the chemical symbol for arsenic?
The symbol for arsenic is AS.
Is there arsenic in protoplasm?
There are no arsenic in a protoplasm
What element in rat poison has 33 electrons?
Element thirty three is Arsenic and can be fatal to humans.
A 250.0 ml sample of tap water is found to contain 6.000 microgram of arsenic What is the concentration of arsenic in ppb?
To find the concentration of arsenic in ppb, we need to convert micrograms to grams and then calculate the concentration. First, convert 6.000 micrograms to grams by dividing by 1,000,000. This gives you 0.000006 grams of arsenic. Then, calculate the concentration by dividing the mass of arsenic by the volume of water (in liters) and multiplying by 1 billion to convert to ppb. The concentration of arsenic in the tap water sample is 24 ppb.
