(a)
Interpretation:
The number of protons, electrons and neutrons in
Concept Introduction :
The
The mass number represents the sum of the number of protons and neutrons in the nucleus of an atom.
(b)
Interpretation:
The atomic symbol of another isotope of gold with 116 neutrons should be determined.
Concept Introduction :
The atomic number represents the number of electrons revolving round the nucleus in an atom. It also represents the number of protons in the nucleus of an atom.
The mass number represents the sum of the number of protons and neutrons in the nucleus of an atom.
(c)
Interpretation:
The atomic symbol of an atom with an atomic number of 78 and 116 neutrons should be determined.
Concept Introduction :
The atomic number represents the number of electrons revolving round the nucleus in an atom. It also represents the number of protons in the nucleus of an atom.
The mass number represents the sum of the number of protons and neutrons in the nucleus of an atom.
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Basic Chemistry
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