What does this symbol, 1/0n, mean? a. an electron of negligible mass and one unit of charge b. a position of negligible mass and one unit positive charge c. a neutron of zero mass and one unit positive charge d. a neutron of zero charge and one unit of mass

An element can be represented symbolically in terms of its atomic number and mass number as:

\[_{Z}^{A}\textrm{X}\]

where X = symbol of the element

A = atomic mass

Z = atomic number

In this case we have the representation as:

\[_{0}^{1}\textrm{n}\]

where n = symbol for neutron

mass number of neutron = 1

charge/atomic number of neutron = 0

Ans: D) A neutron of zero charge and one unit mass

particle   p is an electron and particle q is a neutron

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