The periods in the Periodic Table tell you the energy level where the last electrons are being added. So, in period 1, the outermost electrons are in the first energy level or shell. In the 3rd period, the outermost electrons reside the the 3rd energy level, and so on.
Periods tell us about the number of outer shell elements have.Element that belongs to period 1 has 1 outer shell where as element of period 2 has 2 outer shell.
The number of electrons or of protons in the atoms of the element. This also provides information on some of its physical and chemical characteristics.
The information the geologic scale provides is animals and fossils over time and periods. Major divisions of time is called eras.
there are different periods in each era. In the Cenozoic era, there are 2 periods, Quaternary and Tertiary. Mesozoic era has 3 periods, Cretaceous, Jurassic, and Triassic. Paleozoic has 7 periods, Permian, Carboniferous, Devonian, Silurian, Ordovician, and Cambrian. Precambrian is just the present, no time periods in it.
Metamorphic changes
Hard, multicolored please give some more information
The number of protons and electrons is specific for atoms in a neutral state.
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Period number describes the total number of shells. There are 7 periods in periodic table.
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dont give out that information
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The number of protons an element has.
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