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LiRa [457]
3 years ago
12

The system that acts as a barrier from the outside the environment is called________​

Chemistry
1 answer:
miss Akunina [59]3 years ago
7 0

The air barrier system

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ICE Princess25 [194]

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Explanation:

fluorine have gained one electron that is why the sign is -1. they both have different number of protons. They have different neutron numbers. F have 10 and O have 8.

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Which factor affects a solute's solubility rather than its rate of solution?
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Define organic and mineral acids​
Natalka [10]

Answer:

In general, organic acids are weak acids and do not dissociate completely in water, whereas the strong mineral acids do. Lower molecular mass organic acids such as formic and lactic acids are miscible in water, but higher molecular mass organic acids, such as benzoic acid, are insoluble in molecular (neutral) form.

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5 0
3 years ago
What is the formula for the ion when aluminum achieves noble-gas electron configuration
amm1812

Answer:

K+

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Potassium(an alkali metal) belongs to element in group 1 and period 4 in the periodic table. It has to release one electron to attain noble configuration.

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