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Lelu [443]
3 years ago
11

Which element has the same number of energy levels as aluminum (Al) and the same number of valence electrons as calcium (Ca)?

Chemistry
2 answers:
Zigmanuir [339]3 years ago
6 0

The correct answer is Magnesium (Mg)

scZoUnD [109]3 years ago
5 0

Answer:

magnesium

Explanation:

because i just did the test and ik this is the answer

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What is the purpose of a spectroscope?
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Answer:

spectroscope, optical device used in spectral analysis for producing and measuring their wavelengths and intensities (see spectrum). When a material is heated to fire, it emits light, typical of the atomic composition of the material.

Explanation:

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3 years ago
The fundamental sedimentary rock unit is called<br> a. layer formation group bed
Evgesh-ka [11]
<h3><u>Answer;</u></h3>

Formation

<h3><u>Explanation;</u></h3>
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3 years ago
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In what way would readings from a digital thermometer be preferable to those from a liquid-based thermometer?
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3 years ago
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Explain why Cl, is an element and NOT a compound.
GarryVolchara [31]

Answer:

Cl is not a compound because compounds are made up of atoms from MORE than one element. Since Cl is a singular element is cannot be a compound

Explanation:

Just think of it as Compounds are always more than one elements are always Single

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By mistake, you added salt instead of sugar to the<br> oil. How can you remove the salt?
Ghella [55]

Explanation:

To remove the salt from the oil, I will add water to dissolve the salt from it.

Oil is an organic molecule that is non-polar

Salt is polar ionic compound

Salt will not dissolve in the oil.

  • Take the mixture.
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learn more:

Mixture brainly.com/question/1832352

#learnwithBrainly

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