Periodic Table & Electron shells (46-7) Flashcards
The zig-zag line separates which two element types in the periodic table?
Metals and non metals
Groups 1 and 2 contain which element type?
Reactive metals
Group 7 contains which element type?
Non metals
Group 0 contains which element type?
Noble gases
How do you calculate the number of neutrons within an atom?
Subtract the atomic number (bottom) from the mass number (top)
How many electrons can fit within shell 1?
A maximum of 2
What is the maximum number of electrons that can be within shells 2+
A maximum of 8
If the last shell is not full what happens to this atom?
It becomes more reactive
When drawing a electron shell diagram how should the electrons be drawn?
As far from each other as possible