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Ira Lisetskai [31]
3 years ago
6

What element in the second period has the largest atomic radius?

Chemistry
1 answer:
madreJ [45]3 years ago
3 0

Answer:

b. lithium

Explanation:

furthest to the left in second period

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How many atoms of Oxygen (O) are there in the products of the following equation:
xenn [34]

Answer:

4.

You see, 2 atoms of O in the CO₂ and 2 O in the 2 moles of H₂O

Explanation:

CH₄ + 2O₂ → CO₂ + 2H₂O

8 0
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Explain the concept of electron density
Doss [256]
Electron density is the measure of theprobability of an electron being present at a specific location.

In molecules, regions of electron density are usually found around the atom, and its bonds. In de-localized orconjugated systems, such as phenol,benzene and compounds such as hemoglobin and chlorophyll, the electron density covers an entire region, i.e., in benzene they are found above and below the planar ring. This is sometimes shown diagrammatically as a series of alternating single and double bonds. In the case of phenol and benzene, a circle inside a hexagon shows the de-localized nature of the compound.

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3 years ago
What change in mass number occurs when a radioactive atom emits an alpha particle?
Alik [6]
The alpha particle is the helium nucleus.
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²²³₈₈Ra ---> ⁴₂He + ²¹⁹₈₆Rn
6 0
3 years ago
What’s the correct answer ?
Tanya [424]

Answer:

Explanation:

i think c

3 0
2 years ago
Read 2 more answers
Draw the structural formula for 3-ethyl-3-methyl-1-pentyne. Click the "draw structure" button to launch the drawing utility.
Dima020 [189]

Answer:

See attached picture.

Explanation:

Hello,

In this case, for the given name, you can verify the structure on the attached picture, wherein you can see verify the presence of both the ethyl and methyl radicals at the third carbon as well as the triple bond at the first carbon.

Best regards.

6 0
3 years ago
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