Any noble gas (He, Ne, Ar, Kr, Xe, or Rn)
Because of the amount of ions in there outter shell H = 1 etc
they want to fill in there outter most shell. they want to have 8 on it
aluminum
7
Helium
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Noble gases, such as helium and neon, are the group of elements that do not combine easily with other elements because they have a full outer electron shell, making them stable and less likely to form chemical bonds.
It is non-reactive because it's shells are full. Argon has three electron shells. It's third shell is filled with eight electrons. That is why it does not easily combine with other elements.
Elements in the same group of the periodic table have similar chemical properties due to having the same number of valence electrons. This leads to similar reactivity and bonding behavior within a group of elements.
Simply because it is a compound of a metal and oxygen. All elements want to have their most outter electron shell completely filled, so they share electrons with other elements or even the same element, to achieve this goal. In your situation, it is metal and oxygen like iron III and Oxygen (Fe2O3).
Yes it is. It is a noble gas, and has ten electrons in it's outer valence shell making it full.
Molten Iron. Iron at the center and silicone at the next layer.