Concept explainers
(a)
Interpretation:
The number of protons and electrons in the anion of the carbon atom having net charge
Concept introduction:
The number of protons in the nucleus of an atom is called its
(b)
Interpretation:
The number of protons and electrons in a cation of the oxygen atom having net charge
Concept introduction:
The total number of protons in the atom’s nucleus is its atomic number. In a neutral atom, the number of protons and electrons is equal. Ions are formed by the loss or gain of electrons from the neutral atom. If an atom gains one or more electrons, the ion formed is called an anion. The charge on the anion is equal to the number of electrons gained. If an atom loses one or more electrons, the ion formed is called a cation. The charge on the cation is equal to the number of electrons lost.
(c)
Interpretation:
The number of protons and electrons in the anion of an oxygen atom having net charge -1 is to be determined.
Concept introduction:
The total number of protons in the atom’s nucleus is its atomic number. In a neutral atom, the number of protons and electrons is equal. Ions are formed by the loss or gain of electrons from the neutral atom. If an atom gains one or more electrons, the ion formed is called an anion. The charge on the anion is equal to the number of electrons gained. If an atom loses one or more electrons, the ion formed is called a cation. The charge on the cation is equal to the number of electrons lost.
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