Question

what are the arrangement of atoms in elements?​

Answer 1

Answer:

The arrangement of atoms are in three dimensional regular which is also known as lattice structure. A simple model of an atom is a central atomic nucleus with electrons sorted in shells at different distances from the nucleus.

Explanation:

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Answer 2

Explanation:

• Atoms consist of three basic particles: protons, electrons, and neutrons.

• The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

• The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups.