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andre [41]
3 years ago
7

In what important way was Mendeleev’s Periodic Table different from the modern Periodic Table?

Chemistry
1 answer:
horrorfan [7]3 years ago
6 0
He ordered elements based on their atomic mass instead of their number of protons
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Which substance has a chemical formula with the same ratio of metal ions to nonmetal ions as in potassium sulfide?
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Answer=1

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6 0
3 years ago
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Which statement best describes what makes a base weak
PtichkaEL [24]

The statement that describes what makes a base weak is that the base will be unable to dissociate completely in water.

<h3>What is a base?</h3>

A base is any of a class of generally water-soluble compounds, having bitter taste, that turn red litmus blue, and react with acids to form salts.

Bases usually dissociate into hydroxide ions (OH-) when in an aqueous solution.

However, a base is termed weak or strong depending on it's ability to dissociate completely. A weak base does not dissociate completely into hydroxide ions when in an aqueous solution.

Learn more about bases at: brainly.com/question/23687757

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Predict the products of the following reaction:
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MgCO3 + 2LiCl is the product of the above reaction.
Hope this helps you.
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