Groups describes number of valence electrons. According to which their properties could be estimated.
Groups, 1 through to 8 (or 0) The internet will tell you details about the individual groups. P.S. The rows are called periods
The periodic table tells you chemical elements. :)
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The periodic table tells you that elements in the same group have similar chemical properties because they have the same number of valence electrons. This influences how they react with other elements and helps predict their behavior in compounds.
The periodic table can tell you the atomic number, atomic symbol, and atomic mass of each element listed. It also provides information on an element's properties, such as its reactivity and basic chemical behavior. Additionally, the periodic table organizes elements into groups and periods based on their similar chemical properties and electron configurations.
the benefit is that you can tell the atomic number atomic mass its symbol and where it is on the periodic table
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Periods in the periodic table tell you the number of electron shells an element has. As you move across a period from left to right, the number of protons, electrons, and valence electrons increases by one, resulting in elements with similar chemical properties being grouped together.
It is arranged such that similar elements with similar preferred bonding arrangements are aligned vertically. This exposes the various s, p, d, and f bonding orbitals for each successive "exterior" shell, and so appears to repeat... hence "periodic".
The Periodic Table tells you how many protons are in an atom by their Elemental Number. In other words, yes, the Periodic Table tells you how many protons are in an atom.
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Atomic weight