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3 years ago

When an atom of age in an atom of a bond together:

Chemistry

1 answer:

nata0808 [166]3 years ago

8 0

Answer:

The two different atoms are able to combine their electrons to become stable.

hope this helps :)

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Which of the following are true about both the sun and the stars? Choose the three correct answers.

Andrew [12]

Answer:

D, F

Explanation:

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3 years ago

What is buffers and mention its importance?

GenaCL600 [577]

Answer:

Buffer is the chemical substance that addition of acids and bases, maintaining constant environment,its called Buffer.

Explanation:

Buffers are use in the system to maintain the value of pH, and the contain the pH value is not to change.
Buffer maintain the body of pH for the optimal activity,and they are solution of pH constant.
Buffer in used in the lab and that to maintain growth of the micro tissues and the culture media.
Buffer are used in maintain necessary optimal reaction activity,determine the indicator of solution with pH.
Buffer capacity is that concentration to the buffering agent, is the very small increase,buffer capacity to the pH is 32% , of the maximum value of pH.
Buffers in a acid regions to the desired of that value to the particular buffer agent.
Buffers can be made from that a mixture of the base and acid, buffer can be a wide range of the obtained.
Buffers that the pH calculation and they required to performed in the critic acid that the overlap over the buffer range.

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4 years ago

Match each of the following descriptions to thecorrect element listed

Slav-nsk [51]

Answer: Please see explanation for answer

Explanation:Matching the descriptions to the correct element listed gives

Element Group Name Group No Metal/ Nonmetal/ Metalloid Description

Neon Noble gases 18 Non metal Colorless, tasteless, and odorless gas, unreactive, nonconductive.

Bromine Halogens 17 Non metal Not found as a free element (uncombined) in nature, reddish-brown liquid that vaporizes readily at room temperature to a red gas with a strong disagreeable odor.

Beryllium Alklaline earth metal 2 Metal Silvery-white, ductile, malleable, conductive solid with a high melting point for this type of element

Platinum Platimum group metals 10 Metal Silvery white, relatively soft, low density, conductive solid that is not found as a free element in nature but commonly found combined in alloys with copper or nickel

Potassium Alkali Metals 1 Metal Soft, easily cut with a knife to expose a silvery surface that rapidly oxidizes in air; never found uncombined in nature

Silicon Carbon family 1`4 Metalloid Metallic luster and grayish solid, very common in rocks and gemstones such as amethyst and opal, semiconductor

Sulfur Calcogens 16 Non metal Pale yellow, odorless, brittle solid at room temperature, nonconductor

4 0

3 years ago

Refer to Animation: Kinetic and Potential Energy. Which of the factors accounts for the higher potential energy of C-C and C-H b

Andreyy89

Explanation:

The electronegativity difference in C-C and C-H atoms is quite low. This means smaller the electron cloud. This further means larger bond length that is electron's are further from the nucleus. hence, higher potential energy of C-C and C-H bonds.

On the contrary, C-O and H-O have large difference in electronegativity( O is high electronegative element) . This means smaller bond length. Electron's near the nucleus. Thus, lower potential energy of bonds.

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3 years ago

All of the following are uses of a lake/pond except:

umka2103 [35]

Well give me the options lol

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3 years ago