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denis23 [38]
3 years ago
7

Plz help me swear will mark you brainiest

Chemistry
2 answers:
bekas [8.4K]3 years ago
7 0

Answer:

C

Explanation:

The nitrogen fertilizer with the highest percentage of nitrogen is urea.

iris [78.8K]3 years ago
7 0
The correct answer is A

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COMPOUND
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how does it personally relate to <u>yours</u>?

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For which of the following elements (in their normal, stable, forms) would it be correct to describe the bonding as involving a
Dvinal [7]

Answer: The correct option is e.

Explanation: In the given question it is asked to tell the element which has 'Sea of electrons' while bonding.

This means that the element should have extra electrons so that it can bond easily or this also means which element can easily donate its electron to form a bond.

  • Electronic configuration of Hydrogen = 1s^1

Hydrogen cannot loose electrons easily because the electron is present in 1s sub-shell which is the closest to the nucleus and hence will be tightly bonded to it.

  • Electronic configuration of Helium = 1s^2

This element will not loose electrons easily because the 1s sub-shell is fully filled and hence will not be available for bonding.

  • Electronic configuration of Sulfur = 3s^23p^4

This element lacks 2 electrons from attaining stable configurations. Hence, it will gain 2 electrons rather than donating for bonding.

  • Electronic configuration of Iodine = 5s^25p^5

This element lacks 1 electron to attain stable configuration. Hence, it will gain 1 electron rather than donating for bonding.

  • Electronic configuration of Lithium = 1s^22s^1

This element has an extra electron in its valence shell and can be easily lost in order to form bond.

Hence, the correct option is e.

4 0
4 years ago
How many grams of ethylene (C2H4) are needed to produce 140 grams of carbor<br>dioxide? ​
Leto [7]

Answer:5

Explanation:

just trust me 5

4 0
4 years ago
Which of the following sources could not be used to obtain the DNA of a person lost in a mass disaster? used and unwashed clothi
IgorLugansk [536]
<h3>Question :</h3>

Which of the following sources could not be used to obtain the DNA of a person lost in a mass disaster?

  • used and unwashed clothing or bed sheets
  • food found in the victim's refrigerator
  • sunglasses regularly used by the person
  • a toothbrush used by the person

<h3>Answer :</h3>

food found in the victim's refrigerator could not be used to obtain the DNA of a person lost in a mass disaster.

So, correct answer is 2nd one.

4 0
4 years ago
Read 2 more answers
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