For the last question, this is my data

Chemistry

1 answer:

Lena [83]3 years ago

5 0

Answer:

Noble gases:

are highly reactive.

react only with other gases.

do not appear in the periodic table.

are not very reactive with other elements.

Explanation:Noble gases:

are highly reactive.

react only with other gases.

do not appear in the periodic table.

are not very reactive with other elements.

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What does the second law of thermodynamics say? O A. The entropy of the universe is increasing. B. A system at equilibrium has n

gayaneshka [121]

Answer:

A. The entropy of the universe is increasing.(always)

Explanation:

The Second Law of Thermodynamics states that Entropy cannot decrease, because it keeps increasing and increasing and increasing. It will always stay on the increasing side.

Hope this helps!

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3 years ago

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ollegr [7]

In science you want to use observations and measurements.

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Any change that alters a substance without changing it into another substance.

Ber [7]

A physical change.

Physical change = can be reverted + doesn't change substance
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3 years ago

Which elements have electron configurations that end in ns 2 np 5 ? halogens noble gases inner transition metals transition meta

4vir4ik [10]

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