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Periodic Table

SC.8.P.8.6
Horizontales
Elements in row have the same number of electron shell
smallest particle of an element that can exist either alone or in combination
an arrangement of chemical elements based on the periodic law
Negatively charged atomic particle found in electron cloud around nucleus of atom
Columns of related elements, also shows number of valence electrons
Netural atomic particle found in nucleus of atom
Verticales
any of the fundamental substances that consist of atoms of only one kind and that singly or in combination constitute all matter
The number of protons in an element
Columns of related elements, also shows number of valence electrons
Elements in a _______ have same number of valence electrons
Positively charged atomic particle found in nucleus of atom
All elements in a ______ have the same number of electron shell