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Periodic Table of elements

Horizontales
Have properties of both metals and non-metals
Number of protons
Atomic #27
Atomic #53
Determines atomic number
Conducts electricity and heat; malleable and ductile
Outermost orbit of the element
Determines atomic reactivity
Atomic #13
Mass of the atom
Low melting and boiling point, brittle, does not conduct electricity
K
Verticales
Atomic #38
Have valence electrons in two different shells
Along with protons, determines atomic mass
Vertical columns
Abbreviation for element
Ca
Horizontal rows
Atomic #6
Have a full valence shell
Have only one valence electron
He
Mg
Fe