When electrons gain energy, what can they do?

Chemistry

1 answer:

beks73 [17]3 years ago

3 0

B. When electrons gain energy, they have the power to move up to a higher energy level in an atom.

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Most elements are ____________. The _____________ elements on the left of the stair-step line on the ______________ of Elements

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Answer:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster , malleable , ductile, opposite , shiny, moderately

Explanation:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster , malleable , ductile, opposite , shiny, moderately Is the answer.

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Which of the following pollutants could be reduced through proper maintenance and area ventilation to improve human health?

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Answer:

Chimney soot

Explanation:

The periodicity of chimney used in homes is very highly harmful to human health.
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Carbon compounds form chimneys are highly harmful to human health if timber or coal-fired black chimney soot can be disposed of from time to time and with constant maintenance we can control pollution.

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3 years ago

The temperature in a beaker of water is 50 degrees Celsius. Kiley puts the water into a freezer. After a few minutes, she measur

Vlad1618 [11]

Answer:

This question lacks options; the options are:

A) They moved more freely

B) They moved closer together.

C) The average speed increased.

D) The average kinetic energy increased

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Explanation:

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When water in a liquid state is freezed, it's molecules, which were moving more freely begin to move closer together because the speed at which the particles in the liquid state moved has been reduced.

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An increase in the number of gas particles in the container increases the frequency of collisions with the walls and therefore the pressure of the gas. The last postulate of the kinetic molecular theory states that the average kinetic energy of a gas particle depends only on the temperature of the gas.

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In magnet I believe nickle is used most often

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