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4 years ago

What is the function of protons, neutrons, and electrons?

Chemistry

1 answer:

olga55 [171]4 years ago

5 0

Answer:

Explanation:

Protons help bind the nucleus together. They also attract the negatively charged electrons, and keep them in orbit around the nucleus.

Electrons create a negative charge that balances the positive charge of the protons in the atomic nucleus.

Netrons are responsible for combining with protons in the nucleus together to be held by the strong force.

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A chemistry instructor provides each student with 8 test tubes at the beginning of the year. If there are 28 students per class,

Ann [662]

Answer :8*28=224
224*3=672

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4 years ago

Which part of the nervous system is a gray, wrinkly organ made up of millions of neurons? A. nerves B. brain C. spinal cord D. e

irakobra [83]

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4 years ago

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Write a balanced half-reaction for the product that forms at each electrode in the aqueous electrolysis of the following salts:(

likoan [24]

Balanced Half reactions are:

At anode 2 $Cl^{-}$ ==> Cl₂+ $2e^{-}$ + H₂O ==> $ClO^{-}$ + 2 $H^{+}$ + $Cl^{-}$

At Cathode: 2 $H^{+}$ + $2e^{-}$ ==> H₂

Since the question states that you are using an aqueous solution of MnCl₂, so ions will have present are, H₂O, $H^{+}$ , $Mn^{2+}$ and $Cl^{-}$

Now at Anode reaction will occur as given:

2 $Cl^{-}$ ==> Cl₂+ $2e^{-}$ + H₂O ==> $ClO^{-}$ + 2 $H^{+}$ + $Cl^{-}$ (will occur)

At Cathode:

2 $H^{+}$ + $2e^{-}$ ==> H₂ (will occur)

At Cathode:

$Mn^{2+}$ + $2e^{-}$ ==> Mn (This reaction will not occur)

The deposition of solid Mn will not occur because in aqueous solution, $H^{+}$ will be reduced before $Mn^{2+}$ .

The reduction potentials for $H^{+}$ is zero whereas reduction potential for $Mn^{2+}$ is - 1.18V.

The reduction potential of a species is its tendency to gain electrons and get reduced. It is measured in millivolts or volts. Larger positive values of reduction potential are indicative of a greater tendency to get reduced.

To learn more about the half reaction please click on the link brainly.com/question/13186640

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2 years ago

Which describes Ernest Rutherford’s experiment?

inna [77]

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3 years ago

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What is the carbon nucleophile which attacks molecular bromine in the acid-catalyzed α-bromination of a ketone?

Usimov [2.4K]

The enol carbon or ∝-carbon nucleophile attacks at molecular bromine in the acid-catalyzed α-bromination of a ketone

Treatment of ketones with bromine in the presence of acid will results in formation of a new C-Br bond at the alpha position. The purpose of the acid is to catalysed formation of the enol from ketone , which is active nucleophile in the reaction. This reaction is called haloform reaction which is used to identify the methyl substituted ketone in the presence of aldehyde.

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2 years ago