Respuesta :

Indium has 49 protons 

mass number (# of neutrons and # of protons combined) is 115

115 - 49 = 66

66 neutrons

Indium-115 has 49 protons and 66 neutrons in its nucleus

How is the structure of an Atom ?

An atom is composed of electrons , protons and neutrons .

Electrons are grouped in different shells around the nucleus which is the center of the atom and have negative charge.

Protons and neutrons are present in positively charged nucleus

The nucleus has the most mass . Protons have a positive charge and neutrons are neutral in charge.

The atoms bond with other atoms due to the valence electrons present in the shell of atoms.

The  strong  force hold the nucleus together.

The atomic number is the number of protons which is equal to the number of electrons.

The atomic mass is the mass of total neutrons and protons.

Indium-115 has 49 protons and 66 neutrons in its nucleus

it has Atomic Number of 49 and an atomic mass of 115.

To know more about Structure of an Atom

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