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qaws [65]
3 years ago
14

Antibiotics are often effective treatments for diseases caused by

Chemistry
1 answer:
otez555 [7]3 years ago
7 0

Answer:

The correct answer is bacteria.

Explanation:

Antibiotics are used in the treatment of bacterial infection.Antibiotics resist bacterial growth by several ways such as1 blocking the formation of peptidoglycan layer of the cell wall of bacteria as a result the bacteria become very much sensitive to osmotic lysis.

2 binding with either ribosomal subunits of bacteria thus preventing the formation of bacterial proteins.

3 blocking metabolic  pathways which are essential for the growth of bacteria.

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Explain, in terms of subatomic particles, why the radius of a chloride ion is larger than the radius of a chlorine atom.
den301095 [7]
The radius of a chlorine ion is larger than the radius of a chlorine atom because  the effective nuclear charge decreases, therefore the inward force decreases, increasing the ionic radius.
6 0
3 years ago
The process of joining two atoms’ nuclei and releasing an enormous amount of energy
loris [4]
The answer is nuclear fusion
3 0
3 years ago
Which element has 7 valence electrons
Olegator [25]

Answer:

Halogens have 7 valence electrons.

Explanation:

They are the most active non-metals including fluorine, chlorine, bromine, iodine, and astatine

3 0
3 years ago
I haven't slept in 2 days and am so exhausted. Please if anyone could help... I have class in 2 hours and it's 3am rn
snow_lady [41]

Solution:-

  • a=Carbon(c)
  • b=Nitrogen ion(N+)
  • c=Oxygen ion(O-)

Now

#1

Let's look at the EC of carbon(Z=6)

\\ \tt\longmapsto 1s^22s^22p^2

  • Valency is 4

Now.

3 electrons are shared(1 with H_3C and 2 with N+)

Hence

Electron left unshared=4-3=1

#2

Lets look at EC of Nitrogen(N),Z=7

\\ \tt\longmapsto 1s^22s^22p^3

  • Valency is 3
  • It has already shared 3 electrons

But

Its Cation i.e N+

  • Hence 1 electron it donated .Now it has valency 4

Hence

Electron left unshared=4-3=1

#3

Lets look at EC of Oxygen(Z=8)

\\ \tt\longmapsto 1s^22s^22p^4

  • Valency =2

But it is anion hence 1electron required more which us bonded

Hence

Number of electrons left unshared=0

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Answercan you upload the pictures??

Explanation:

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