The modern periodic table Elements are arranged according to atomic number Periods = horizontal rows of elements Group (family) = vertical column of elements with similar properties Zig zag line = separates metals from nonmetals Br C a Fe H C Cl Mg P Zn
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The modern periodic table E lements are arranged according to atomic number
The modern periodic table E lements are arranged according to atomic number Periods = horizontal rows of elements Group (family) = vertical column of elements with similar properties Zig zag line = separates metals from nonmetals. Mg. Br. Cl. C. H. Fe. Ca. P. Zn. - PowerPoint PPT Presentation
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The modern periodic tableElements are arranged according to atomic number
Periods = horizontal rows of elements
Group (family) = vertical column of elements with similar properties
Zig zag line = separates metals from nonmetals
Br
Ca
Fe
H
C
Cl
Mg
PZn
Why the periodic table works?
It works because it's based on the structure of the atoms, especially the valence electrons.
All the elements in a family all have the same number of valence electrons.