Valance Electrons and Bonding
Electron Dot Digrams
Chemical Bonds and Stability
Chemical Bonds and Chemical Reactions
How the Peridoic Table Works
Relating Periods and Groups
Reactive Nonmeatls and Metals
In which orbital would you find an atom's valance electrons?
outer most orbital
Atoms of elements in Group 1, or 2A,have___ valance electron(s)
Atoms of elements in Group 2,or 2A,have___ valance electron(s)
Atoms of elements in Group 13,2A,have___ valance electron(s)
Look at the answers for #'s 2-4 above and look for a pattern between group #'s and valance electrons. Describe it...
Exept for the transtion elements the group # tells the # of the valance electrons
The ________, or the elements in 1B througn 8B, do not follow the pattern of electrons and group #'s quite the way the elements in 1A and group 2
The electrons in a electron dot diagram are from the___________.
the outer most orbital
The magic # of valance electrons is______.
_____ valamce electrons means that the atom is stable( with the exeption of helium) which is____valance electrons.
8 then 2
Explain why helium is stable with just 2 valance electrons:_______________
the first orbital is full with 2 electrons
Atoms react in ways that make them more__________.
In a group, after the # of valance electrons reaches eight, a new________begins.
Elements in group 17 have___ valance electrons.
Nonmetals combine with metals usually by ______ electrons.
Metalloids can either___or_______electrons.