Thallium has got 81 protons
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Norway
england
iceland
sweden
Estonia
latvia
ireland
france
switzerland
portugal
poland
germany
hungry
romana
Ukraine
belarus
austria
vatican city
belgiuiv
crotia
jersey
guernsey
isle of man
denmark
faroe island
san marinc
monace
united kingdom
greece
Answer:
The seven crystal systems are a method of classifying crystals according to their atomic lattice or structure. The atomic lattice is a three dimensional network of atoms that are arranged in a symmetrical pattern. The shape of the lattice determines not only which crystal system the stone belongs to, but all of its physical properties and appearance. In some crystal healing practices the axial symmetry of a crystal is believed to directly influence its metaphysical properties. For example crystals in the Cubic System are believed to be grounding, because the cube is a symbol of the element Earth.
Explanation:
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