What was Johann Dobereiner’s contribution to the development of the periodic table?

2 answers:

5 0

He identified triads of elements that had similar properties

3 0

<span>he introduced his law of triads. each triad was a group of three elements</span>

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Anni [7]

Answer:

Hope this helps :D

Explanation:

Metal: Aluminum and Copper

Non-Metal: Hydrogen and Flourine

Acid: Sulfuric Acid and Phosphoric Acid

Alkali Metals: Hydrogen and Lithium

Compounds: Water and Carbon Dioxide

Elements: Carbon and Oxygen

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1 year ago

Daniel [21]

Explanation:

Identify the areas of the following atomic model, Explain how these are related to the formatio

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nikdorinn [45]

Answer:

Density is a physical property that is determined by dividing the mass of a given amount of a substance by its volume.

Explanation:

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Margarita [4]

its the second one alright

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3 years ago

kow [346]

I think it would be C

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3 years ago