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The Periodic Table

Horizontales
This group includes mostly man-made elements with only a few exceptions such as uranium and thorium.
Chalogen
A Group 13 elements that is also a semi-metal.
very reactive , but less than Alkali metals.
It is ductile and malleable, and conduct electricity and heat
244 Protons
can also have more than 8 electrons in its outer most shell
It can produce a magnetic field.
halogen means
Its Atomic Symbol is La
18 / 8A, period 4
8/8B, Period 5
They can explode if exposed to water.
Its Atomic Symbol is Na
Very Brittle and does not reflect light
Verticales
Its Atomic Symbol is Au
2 A, Period 6
every element on the second column (group two) has this in its outer shell.
colourless, odourless, and tasteless
Its Atomic Symbol is Hg
Columns
Its Atomic Symbol is K
Its Atomic Symbol is W
Used as a semi-conductor
Its Atomic Symbol is Gd
Created the Periodic Table in 1869
This element can carry an electrical charge under special conditions.
Vertical Rows
Its Atomic Symbol is Pb