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WITCHER [35]
4 years ago
10

Does ultraviolet block sunburn

Chemistry
1 answer:
satela [25.4K]4 years ago
8 0

Answer:

no

Explanation:

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In terms of their electron configurations, why is cesium more likely to lose its valence electron than potassium?
Harlamova29_29 [7]

Explanation:

use the term electron sheilding, the more electrons between the valence el3ctron and nucleus the easier to lose the valence electron (more sheilding = easier to lose)

5 0
3 years ago
Chemists investigated an unknown substance and found it to have the following characteristics:
bija089 [108]

The answer is option C.

That is it is a heterogeneous mixture.

Heterogeneous mixture have the following properties:

1. Different components could be observed in the substance.

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3.The components could be easily separated using filters and sorting.


7 0
4 years ago
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Alexxx [7]

Answer:

Molar mass of NaHCO3 = 84.00661 g/mo

Explanation:

This compound is also known as Baking Soda or Sodium Bicarbonate.

Convert grams NaHCO3 to moles  or  moles NaHCO3 to grams

Molecular weight calculation:

22.98977 + 1.00794 + 12.0107 + 15.9994*3

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In examining several amino acids, you want to identify the feature or features that differentiate one amino acid from another. W
sergiy2304 [10]
Your answer is C 
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It causes the water to evaporate from the earths surface so that it can cycle through again
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