PERIODIC TABLE

PERIODIC TABLE
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  • Im here to help you with the periodic table and how you can learn it.its very easy to read if you know what you are looking at
  • Im  Dmitri Mendeleev. I the person who created the periodic table. 
  • And . BTW Im invisible
  • umm.. who are you and what are you?? wait how do you know?
  • ok so lets get started.. i hope its easy like you say it is.
  • Groups tell you how many valence electrons are in each element. Groups are in columns.
  • OK lets start off with something easy...see how they are in rows and columns.. those are in groups and periods.
  • See the last column on the right..that is group 17. In this column each element has 7 valence electrons.
  • Except Helium(He) That only has 2 Valence electrons a special element
  • Periods are in rows. Each row tells you many atomic orbitals it has.
  • Valence electrons are the outer shell on the atom 
  • The elements on the periodic table are very easy to read.The atomic number determines an elements identity. It also determines how many protons and electrons too.
  • the most reactive groups are 1 and 17 because group 1 only have well 1 Valence electrons and group 17 gives only 7 valence electrons
  • the least reactive groups are 18 because they are noble gases 
  • An atom's reactivity is determined by the number of electrons in its outermost shell. Because the outer shell can hold up to eight electrons.
  •  not all elements are able to fill these shells to capacity, the fullness of the shells will determine the volatility of the atom's reactive properties.
  • ohhh..i think im starting to get the hang of it
  • They are along the very dark zig_zag line. well metalliods are. but non_metals are in groups 14-16.and metals are found in group 1.
  • finally last but not least the final lesson. This lesson involves Metals, non-metals and metalliods. 
  • Metalloids have properties of both metals and non-metals.
  •  metals are malleable, ductile, and are good conductors of heat and electricity. The alkali metals are softer than most other metals.
  • OMG thank you Dmitri Mendeleev. You really helped me out alot
  •  non-metals have no metallic luster, and do not reflect light.
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