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TEA [102]
3 years ago
12

Why is the mass of an atom's electrons not included in the atom's mass number?

Physics
1 answer:
Dvinal [7]3 years ago
3 0
<h3>Description of the arrangement of electrons in atoms of various elements. Electron, lightest stable subatomic particle known. An electron is therefore considered nearly massless in comparison with a proton or a neutron, and the electron mass is not included in calculating the mass number of an atom.</h3>

Explanation:

<h2>#MARKMEBRAINLIST</h2><h2>#CARRYINGTOLEARN❤️❤️</h2>
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A man pushes the wall but fail to do so what is amount of work done by men​
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Explanation:

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2 years ago
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3 years ago
The following are the Earth–Sun distance at the equinoxes and solstices: March equinox 149.0 million km June solstice 152.0 mill
Mice21 [21]

Answer:

During <u>winter (late December/early January)</u> the Earth is closest to the Sun and during <u>summer (late June/early July)</u> the Earth is farthest from the Sun.

Explanation:

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On the other hand, the earth is farthest from the sun during the time of summer season, mostly in late June or early July.

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