Answer:
Loam is soil composed mostly of sand, silt, and a smaller amount of clay. By weight, its mineral composition is about 40–40–20% concentration of sand–silt–clay, respectively.
Explanation:
Answer:
Decarboxylation is a chemical reaction that removes a carboxyl group and releases carbon dioxide (CO2). Usually, decarboxylation refers to a reaction of carboxylic acids, removing a carbon atom from a carbon chain.
Explanation:
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Answer:
Bro,it's number A
+3
Explanation:
The oxidation number for chlorine in HClO2 is plus three because oxygen is more electronegative than chlorine and is assigned negative two for each oxygen and hydrogen had a plus one. The sum of oxidation numbers is equal to the charge on the molecule, in this case zero.
Answer: fourth option, t<span>he crystals phosphoresced when they were exposed to light, exposing the film.
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Justification:
Becquerel experiment was developed to study the phosphoresence: the materials exposed to sunlight are able to emit that absorbed light when the exposition ends and they glow in the dark.
That effect is what he was expecting, predicted and obtained.
Nevertheless, further experimentation, one day in which the samples (crystals) were not exposed to the sunlight, they still were able to emitt light (exposing the film), so he concluded that the crystals were radiactive (emitted radiation per se)
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