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The red arrow is pointed at different locations of an atom of Helium. Where is it pointing to the GREATEST concentration of atomic mass?

Respuesta :

Palmetto18
The greatest concentration of atomic mass is the atom's nucleus. This is because the nucleus is made up out of protons and neutrons while the electrons surrounding the nucleus have a very small mass.
lazygenius514

Answer:

The most dense part of an atom is its nucleus. Almost all of the mass in an atom is made up from the protons and neutrons in the nucleus with a minimal contribution from the orbiting electrons.

Helium atom has two orbital electrons and two protons and two neutrons in nucleus. It has 4 atomic mass and 2 atomic numbers. So, the greatest concentration of atomic mass is in nucleus.


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