Question

how atom shacks in one place

Answer 1

Most atoms have three different subatomic particles inside them: protons, neutrons, and electrons. The protons and neutrons are packed together into the center of the atom (which is called the nucleus) and the electrons, which are very much smaller, whizz around the outside. ... Most of an atom is empty space

Answer 2

An atom is a complex arrangement of negatively charged electrons arranged in defined shells about a positively charged nucleus.