7/24/2019 electronic configuraton

1/6

Electronic

Confguration

BILLUNI B. LUNIZAGRADE 8-HONEST

7/24/2019 electronic configuraton

2/6

The ee!tron !onfguration o" an ato# i$ there%re$entation o" the arrange#ent o" ee!tron$ &i$tri'ute&a#ong the or'ita $he$ an& $u'$he$.

Co##on() the ee!tron !onfguration i$ u$e& to&e$!ri'e the or'ita$ o" an ato# in it$ groun& $tate) 'ut it!an a$o 'e u$e& to re%re$ent an ato# that ha$ ioni*e& intoa !aution or anion '( !o#%en$ating +ith the o$$ o" or gaino" ee!tron$ in their $u'$e,uent or'ita$.

Electronic Confguration

7/24/2019 electronic configuraton

3/6

an( o" the %h($i!a an&

!he#i!a %ro%ertie$ o" ee#ent$!an 'e !orreate& to their uni,ueee!tron !onfguration$.

The aen!e ee!tron$)ee!tron$ in the outer#o$t $he)

are the &eter#ining "a!tor "orthe uni,ue !he#i$tr( o" theee#ent.

7/24/2019 electronic configuraton

4/6

Eer( ee#ent on the /erio&i! Ta'e !on$i$t$ o"ato#$) +hi!h are !o#%o$e& o" %roton$) neutron$) an&ee!tron$. Ee!tron$ e0hi'it a negatie !harge an& are"oun& aroun& the nu!eu$ o" the ato# in ee!tron

or'ita$) &efne& a$ the ou#e o" $%a!e in +hi!h theee!tron !an 'e "oun& +ithin 123 %ro'a'iit(.

The "our &i4erent t(%e$ o" or'ita$ 5$)%)&) an& "6

hae &i4erent $ha%e$) an& one or'ita !an ho& a#a0i#u# o" t+o ee!tron$. The %) &) an& " or'ita$hae &i4erent $u'ee$) thu$ !an ho& #oreee!tron$.

7/24/2019 electronic configuraton

5/6

7/24/2019 electronic configuraton

6/6

U$ing the %erio&i! ta'e to&eter#ine the ee!tron!onfguration$ o" ato#$ i$ 7e() 'ut

a$o 7ee% in #in& that there are!ertain rue$ to "oo+ +hena$$igning ee!tron$ to &i4erentor'ita$. The %erio&i! ta'e i$ anin!re&i'( he%"u too in +ritingee!tron !onfguration$.