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rewona [7]
2 years ago
11

PLS PLS HELP!! ILL MARK U BRAINLIEST IF U GET IT RIGHT. THIS IS SCIENCE

Chemistry
2 answers:
Phoenix [80]2 years ago
8 0

Answer:

6. crystalline structure

7. renewable

8. non-renewable

9. rocks

10. luster

Explanation:

good luck :)

elixir [45]2 years ago
5 0

Answer:

rocks and magma

Explanation:

there you go lol ok

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Explanation:

Looking at the periodic table, Francium has 7 energy levels as it is in the 7th Period and is in the 1st Group (meaning it has one electron in the outermost shell) which suggests that it has one valence electron.

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

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What is the IUPAC name of the following compound?
pentagon [3]

Answer:

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Explanation:

Hello,

In this case, considering the attached picture on which you can see that the main chain has nine carbon atoms, one tripe bond at the fourth carbon and two methyl radicals at the third and seventh carbons respectively, by following the IUPAC rules, the name would be: (d) 3,7-dimethyl-4-nonyne since the chain must start at the side closest to the first triple bond due to its priority and subsequently considering the present radicals.

Best regards.

3 0
3 years ago
4HF(g)+SiO2(s)→SiF4(g)+2H2O(l)
Alecsey [184]
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3 years ago
A piece of glass is immersed in a liquid. It proceeds to float on the liquid's surface. This shows that the density of the glass
tamaranim1 [39]

Answer: b) Less dense

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Differences in density is one reason objects float or sink.

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But objects floats at constant level if the density is equal to the density of the fluid in which it is immersed; it neither rises nor sinks in the fluid in this case.

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