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.