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alexira [117]
3 years ago
10

WILL MARK AS BRAINLIEST!!! please answer asap!

Chemistry
1 answer:
xz_007 [3.2K]3 years ago
6 0

Answer: Uranium is an inert.

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How many atoms are there in 5K2CO3
Dvinal [7]

Answer:

Depends on what are you refering to

Explanation:

So depending on what you are looking for (your question is quite vauge)

there are 5 atoms of the comopound (K2CO3)

within that compound, there are 2 atoms of Potassium and 1 atom of Carbonate. Within Carbonate there are 4 atoms (1 carbon and 3 oxygens)

so answers may be

5, 15, or 25.

I hope this helps.

4 0
2 years ago
Why might a scientist repeat an experiment if she did not make a mistake in the first one? A) Scientists who repeat experiments
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Answer:

The correct answer is B) it helps to ensure the result are consistent and repeatable.

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Scientist generally repeat an experiment if he or she did not make a mistake in the first one to compare the results of two experiment, if there is no difference in the result or values obtainted from the observation of two experiment. he or she become sure that experiment was done in a right way because if there is some error made when experiment was carried out then the result of two same experiment would be different.

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