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kodGreya [7K]
3 years ago
7

Why is pure silicon a poor conductor at room temperature

Chemistry
1 answer:
Serga [27]3 years ago
6 0
It has 4 valence electron, all of which are needed to bond with nearest neighbors
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What is bias in an experiment?
eimsori [14]

a process where the scientists performing the research influence the results, in order to show a certain result

3 0
3 years ago
Read 2 more answers
Give all possible, accurate, correct IUPAC names for the following compounds:
Viefleur [7K]

Answer:

A. 4-ethyl-hex-3,5-dien-2-ol.

B. 2-chloro-3-methyl-5-<em>tert</em>-butylphenol.

Explanation:

Hello there!

In this case, according to the given problems, it is possible to apply the IUPAC rules to obtain the following names:

A. 4-ethyl-hex-3,5-dien-2-ol because we have an ethyl radical at the fourth carbon and the beginning of the parent chain is on the Me (CH3) because it is closest to first OH.

B. 2-chloro-3-methyl-5-<em>tert</em>-butylphenol: because we start at the alcohol and have a chlorine atom on the second carbon, a methyl radical on the third carbon, a <em>tert</em>-butyl on the fifth carbon and the parent chain is benzene which is phenol as an alcohol.

Regards!

6 0
3 years ago
Prior to the development of DNA fingerprinting, blood type could be used to determine possible parentage. Although it might prov
Anettt [7]

D.

A parent with type A B blood can ever have a child child with type O blood.​

Explanation:

An offspring gets an allele for blood type from every parent. Therefore unless both parents have blood type O the offspring cannot have blood type O.

A person with blood group O means they do not blood group antigen on their red blood cells. They cannot pass the antigens to their offspring. A person with AB means they have both antigens for A & B blood groups and can pass either to any of the offspring they have.

The passing down of the blood group alleles follow the Mendelian principles of independent assortment.  

5 0
3 years ago
Al2(CrO4)3 percentage of Al
jenyasd209 [6]

Answer:

13.4%

Explanation:

Take the molar mass (26.98) of Al x 2 because there are 2 moles in the given compound. Divide this number by the total molar mass of the compound (401.9) this gives you .134. To get a percentage mulitply by 100 for 13.4%.

[(26.98 x 2)/401.9] x 100 =13.4

7 0
3 years ago
write the name of and molecular formula of compound which gives hydrogen ion and chloride ion in the solution state. in which co
VladimirAG [237]
<h3>I hope it is helpful for you .....</h3>

5 0
3 years ago
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