Question

what do the atoms are chemically active..​

Answer 1

Answer:

A stable atom has the same number of electrons orbiting as it does protons in the nucleus; this makes the atom electrically neutral. ... The shell containing the outer-most electron is called the valence shell, and is the chemically active shell.

Answer 2

Answer:

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• A stable atom has the same number of electrons orbiting as it does protons in the nucleus; this makes the atom electrically neutral.
• he shell containing the outer-most electron is called the valence shell, and is the chemically active shell.