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Sergio [31]
3 years ago
13

Which of these provides the most creative explanation for how rocks are made at present?

Chemistry
1 answer:
xxTIMURxx [149]3 years ago
7 0

Answer:

Principle of Original Horizontality

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1.<br> Draw the Dot Structure for Na!
stepladder [879]

Answer:

Na ·

Explanation:

Hello!

In this case, since the Lewis dot structure of any element illustrates the number of valence electrons at the outer shell; we can set up the electron configuration of sodium to obtain:

Na^1^1\rightarrow 1s^2,2s^2,2p^6,3s^1

We can see there is only one valence electron, for that reason the Lewis dot structure is:

Na ·

Whereas the dot represents the valence electron.

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Which of the following elements is least likely to form a cation that will then form an ionic bond with an ion of a Group 7A ele
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Potassium hydroxide is classified as an arrhenius base because koh contains
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Answer: hydroxide ions

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According to the Arrhenius concept, an acid is a substance that ionizes in the water to give hydronium ion or hydrogen ion  and a bases is a substance that ionizes in the water to give hydroxide ion .

According to the Bronsted Lowry conjugate acid-base theory, an acid is defined as a substance which donates protons and a base is defined as a substance which accepts protons.

According to the Lewis concept, an acid is defined as a substance that accepts electron pairs and base is defined as a substance which donates electron pairs.

As KOH can give hydroxide ions on dissociation , it is considered as arrhenius base.

KOH\rightarrow K^++OH^-

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How many molecules are contained in 125 grams of water, H20?
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18,01528

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