An atom that has an atomic number of 38 and a mass number of 88 is an isotope of an atom that has

The isotopic representation of the atom is

Explanation:

Atomic number is defined as the number of electrons or number of protons that are present in a neutral atom. It is represented as Z.

Z = Atomic number = Number of electrons = Number of protons

Mass number is defined as the sum of number of protons and number of neutrons present in an atom. It is represented as A.

A = Mass number = Number of protons + Number of neutrons

We are given:

Atomic number = Number of protons = 38

Mass number = 88

Number of neutrons = Mass number - Atomic number = 88 - 38 = 50

General isotopic representation of an element is

where,

Z = atomic number

A = Mass number

X = symbol of the element

Hence, the isotopic representation of the atom is

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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a) the particles of the chair are strongly held together.