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denis23 [38]
3 years ago
12

Convert 381 km to cm using dimensional analysis.

Chemistry
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

38100000

Explanation:

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What causes interstellar dust and clouds of gas to condense into planets and stars?
aleksklad [387]
The gravitational pull
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What has its own size and shape
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I guess it is gases
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___ and ___ are located in the nucleus of the atom while ____ exist in orbitals in the empty space outside of the nucleus
bogdanovich [222]

Answer:

Neutrons and Protons, Electrons

Explanation:

Neutrons and protons are in the inside as electrons orbit around it in a circular pattern

3 0
3 years ago
A scientist is investigating the structure of aluminum nitrate, which has the chemical formula Al(NO3)3. Based on the chemical f
bekas [8.4K]
The chemical formula of aluminium nitrate is - Al(NO₃)₃
cation is Al³⁺
anion is NO₃⁻
One Al atom binds to three nitrate groups 
the options given are 
2. <span>It has three aluminum (Al) atoms 
this is incorrect as there's only one Al atom 
3. </span><span>It has one NO3 group.
this is incorrect as there are three nitrate groups
4. </span><span>It has nine nitrogen (N) atoms
there are only 3 N atoms therefore this too is incorrect 
</span>therefore the correct answer is - 
It has three NO₃<span> groups


</span>
6 0
4 years ago
Identify each of the following sets of quantum numbers as allowed or not allowed in the hydrogen atom.
Westkost [7]

Answer:

See explanation.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to firstly recall the electron configuration of hydrogen:

1s^1

To realize that the principal quantum number is 1, the angular is 0 as well as the magnetic one; therefore we infer that all the given n's are not allowed, just l=0 is allowed as well as ml=0 yet the rest, are not allowed.

Best regards!

5 0
3 years ago
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