Question

what is isoster??????​

Answer 1

Answer:

Isosters have same number of atoms nd same number of electron

CO2 ND NO2

Answer 2

Answer:

Isosteres are atoms, molecules, or ions of similar size containing the same number of atoms and valence electrons.

example 1

Consider neon, the noble gas at the end of the second row of the periodic table.

To the left of it, fluorine has one fewer electron. If fluorine ionizes, it gains an electron to become F-, which is an isostere of Ne.

Similarly, O2- is an isostere of Ne and F-.

In fact, neon is part of a group of six isosteres. These are:

O2-, F-, Ne, Na+, Mg2+, Al3+

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