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zavuch27 [327]
3 years ago
14

How did Mendeleev organize the elements to create a periodic table?

Chemistry
1 answer:
Nuetrik [128]3 years ago
3 0
According to increasing mass and number of protons
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The rate of reaction is fastest at the _______ of a chemical reaction
astraxan [27]

Answer:

Beginning or Start

Explanation:

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Hope this helped! :^)

5 0
3 years ago
Draw the best lewis structure for h 2 ​ co 3 ​ and calculate the formal charge on carbon.
schepotkina [342]
The Lewis structure of Carbonic Acid (H₂CO₃) is given below. In structure it is shown that carbon has a double bond with one oxygen atom and two single bonds with hydroxyl groups.

Formal Charge;
                        Formal charge is caculated as,

Formal charge  =  # of valence e⁻ - [# of lone pair of e⁻ + 1/2 # of bonded e⁻]

Formal charge on Carbon;

Formal charge  =  4 - [ 0 + 8/2]

Formal charge  =  4 - [4]

Formal charge  =  Zero

7 0
3 years ago
How are acids and bases used by humans
azamat
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Oksi-84 [34.3K]

Answer:

See below

Explanation:

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What will happen to the chemical equilibrium if MgCl2 is added?
vaieri [72.5K]
I think the answer is c.
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