
Interpretation:
From the given elements, the element with greater first, second ionization energy and first
Concept Introduction:
Electron Affinity: The ability of the atom to accept the electron is called electron affinity.
Periodic Table: The available chemical elements are arranged considering their
In periodic table the horizontal rows are called periods and the vertical column are called group.
There are seven periods and 18 groups present in the table and some of those groups are given special name as follows,
Atomic Number: Atomic number of the element is equal to the number of protons present in the nucleus of the element which is denoted by symbol Z. The superscript presents on the left side of the
Cation: Removal of electron from the atom results to form positively charged ion called cation.
Anion: Addition of electron to atom results to form negatively charged ion called anion.
The net charge present in the element denotes the presence or absence of electrons in the element.
First ionization energy
The ionization energy is the minimum energy required to remove the electron from an isolated atom which is in the gaseous state results to give gaseous ion with one positive charge.
Second ionization
Repeating the same process that is removal of another electron that is second electron from the resulting ion of first ionization is called second ionization.

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Chapter 4 Solutions
Chemistry: Atoms First V1
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