Charge on particle
sub atomic particle charge
a negative
b neutral

based on the quantum model, which of the following correctly compares the location of the subatomic particles?
particle a is packed in the nucleus and particle b is present in shells.
particle a spirals into the nucleus and particle b is packed in the nucleus.
particle a is embedded in a solid sphere and particle b is present in the 3d orbitals.
particle a is present in the electron cloud and particle b is packed in the dense center.

Particles A is present in the electron cloud and Particle B is packed in the dense center.

Explanation:

Atoms are the building blocks of any element. So it is known that atoms comprise of positive, negative and neutral fundamental subatomic particles. Different models are proposed for the structure of atom at the starting stage of atomic structure. But at the end, the quantum model succeeded in giving a clear view of the structure of atom.

If we consider, that one of the subatomic particles considered as Particle A is negatively charged and another subatomic particle considered as Particle B is neutral, then we can arrange its location using quantum model.

As per quantum model, the electrons are negatively charged and protons are positively charged while the neutrons are neutrally charged. So the particle A which is negatively charged can be compared to electrons. As electrons are present in electron cloud, so we can state that particle A is present in the electron cloud. Also the neutrally charged particle B can be compared to neutron. And thus , the location of particle B can be stated to be packed in the dense center of nucleus.

So Particle A is present in the electron cloud and Particle B is packed in the dense center as per quantum model.

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