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Harrizon [31]
3 years ago
6

What type of element has 8 electrons in their outer most level?

Chemistry
2 answers:
zzz [600]3 years ago
7 0

It's the third one or Noble gases.

RideAnS [48]3 years ago
6 0

Answer:

Noble gases

Explanation:

Neon and argon have 8 electrons in their outermost shells. The elements which have 8 electrons in the outermost shell or in the valence shell,are known as the noble gases.

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1.3 × 10³ cm³

Explanation:

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\frac{P_{1}.V_{1}}{T_{1}} =\frac{P_{2}.V_{2}}{T_{2}} \\V_{2}=\frac{P_{1}.V_{1}.T_{2}}{T_{1}.P_{2}}=\frac{1.0atm\times 310cm^{3} \times 2473K }{273.15K \times 2.1atm} =1.3 \times 10^{3} cm^{3}

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3 years ago
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Answer:

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Explanation:

Second question is number 4.

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sergij07 [2.7K]

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However, nuclear energy produces radioactive waste that must be stored for many years before it can be safely disposed.

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