The metallic elements lose electrons when reacting, and the resulting positive ions have an electron configuration analogenus to the noble gas element.
Interpretation:
The correct term corresponding to given blank is to be stated.
Concept Introduction:
The distribution of the electrons that exists in the atomic orbital of an atom is collectively known as electronic configuration. The description of every electron in an orbital is given by the electronic configuration of that atom.
The electrically charged species that can be formed after the removal or addition of electrons are known as ions.
A simple cation or positive ion can be formed by the given element by losing an electron. After becoming an ion, the number of electrons of positive ions becomes equal to the number of electrons of the noble gas element. Hence, the electron configuration of positive ions becomes equal to the electron configuration of noble gas element. For example,
A simple ion that can be formed by the given element, rubidium, is
The atomic number of rubidium atom is
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