Concept explainers
(a)
Interpretation:
The atomic symbol for an aluminium atom with 14 neutrons needs to be determined.
Concept Introduction :
The
The sum of the number of neutrons and protons in the nucleus of an atom represents mass number.
(b)
Interpretation:
The atomic number and neutrons given for an atom is 26 and 32 respectively.
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 sum of the number of neutrons and protons in the nucleus of an atom represents mass number.
(c)
Interpretation:
The atomic symbol for gallium atom which has a mass number of 71 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 sum of the number of neutrons and protons in the nucleus of an atom represents mass number.
(d)
Interpretation:
The atomic symbol of an
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 sum of the number of neutrons and protons in the nucleus of an atom represents mass number.
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Basic Chemistry
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