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earnstyle [38]
2 years ago
6

What properties do metalloids have?

Chemistry
1 answer:
Helga [31]2 years ago
3 0

Typical metalloids have a metallic appearance, but they are brittle and only fair conductors of electricity. Chemically, they behave mostly as nonmetals. They can form alloys with metals. Most of their other physical properties and chemical properties are intermediate in nature.

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Which one of the following substances would be the most soluble in CCl4?
maria [59]

Answer: Option (d) is the correct answer.

Explanation:

Carbon tetrachloride (CCl_{4}) is a non-polar solvent. Whereas out of the given options, Na_{2}SO_{4}, H_{2}O, CH_{3}CH_{2}CH_{2}CH_{2}OH, and HI are all polar molecules.

On the other hand, only C_{4}H_{10} is non-polar molecule.

Also it is known that like dissolves like.

So, being non-polar CCl_{4} will dissolve the give alkane, C_{4}H_{10}.

5 0
3 years ago
Which layer of the atmosphere is between the exosphere and the mesosphere
Olenka [21]

The atmosphere of earth is made of five main layers.

1) Troposphere : This is the lowest part of the atmosphere. Most of the air that makes up the atmosphere is present in this layer.

2) Stratosphere : This layer is present above troposphere and extends up to 50 km. It contains ozone layer which prevents the harmful ultraviolet rays from the sun from entering the lower troposphere

3) Mesosphere : The layer above stratosphere is known as mesosphere.

4) Thermosphere : The region lies above mesosphere.

5) Exosphere : The is the outermost region of the atmosphere.

From the above discussion we can see that the layer that lies between exosphere and mesosphere is Thermosphere

8 0
3 years ago
Read 2 more answers
A brown coating appears on the outside of the nail.what do you think this is?
Talja [164]

Answer:

Rusting

I guess

Explanation:

Cause in iron if a brown coating appears it is called rusting

8 0
2 years ago
I am a main group or representative element. I am located in
lesya692 [45]

Answer:

tantalum

i hope this helps<33 :)))))

5 0
2 years ago
Blue eyes are recessive. Jonathan is hybrid for blue eyes. His wife Carly, has blue eyes. If they have four children, how many w
astraxan [27]

Answer:

possibly two

Explanation:

you said Jonathan had hybrid eyes, did you mean that he was heterozygous? if so 2 out of 4 will have the recessive gene "blue".

3 0
3 years ago
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