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kicyunya [14]
3 years ago
5

The number of dots near hydrogen and helium are the same as in the energy level chart. Why?

Physics
2 answers:
Kipish [7]3 years ago
8 0

Answer:

Because the electrons they have are valence electrons.

Explanation:

Hope this helps

QveST [7]3 years ago
8 0
The electrons they have are valence electrons
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Propagation of sound wave require a medium for transmission. Sound is produced by vibrating objects, The matter or substance through which sound is transmitted is called a medium. It can be solid, liquid or gas. Therefore to propagate sounds (human voice) from one end of a lecture hall to the other we need a propagation medium which is air. Air serves as a propagation medium.

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2 years ago
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