Bio 189 Final Exam
Posi ti vel y charged, nucl eus, l arge mass, how we i denti fy el ements by atomi c
Protons
number
Neutrons Neutral l y charged, nucl eus, l arge mass, Protons + neutrons = atomi c Mass
El ectrons Negati vel y charged, Orbi ts surroundi ng nucl eus, 2000 ti mes l i ghter
1st orbi t may onl y contai n 2 el ectrons 2nd orbi t may onl y contai n 8 el ectrons 3rd
El ectron orbi tal arrangement
orbi t may onl y contai n 8 el ectrons
El ectrons l i ke to be... pai red and orbi ts l i ke to be ful l
Chemi cal s that i nteract wi th one another because number of unpai red el ectrons i n
Carbon 4, hydrogen 1, oxygen 2 and ni trogen 3
outer orbi tal )
compl ete transf er of el ectrons Exampl es: NACL & MGCL **practi ce thi s orbi tal
I oni c bonds
chart
Coval ent bonds Shari ng of el ectrons
Posi ti vel y charged, nucl eus, l arge mass, how we i denti fy el ements by atomi c
Protons
number
Neutrons Neutral l y charged, nucl eus, l arge mass, Protons + neutrons = atomi c Mass
El ectrons Negati vel y charged, Orbi ts surroundi ng nucl eus, 2000 ti mes l i ghter
1st orbi t may onl y contai n 2 el ectrons 2nd orbi t may onl y contai n 8 el ectrons 3rd
El ectron orbi tal arrangement
orbi t may onl y contai n 8 el ectrons
El ectrons l i ke to be... pai red and orbi ts l i ke to be ful l
Chemi cal s that i nteract wi th one another because number of unpai red el ectrons i n
Carbon 4, hydrogen 1, oxygen 2 and ni trogen 3
outer orbi tal )
compl ete transf er of el ectrons Exampl es: NACL & MGCL **practi ce thi s orbi tal
I oni c bonds
chart
Coval ent bonds Shari ng of el ectrons
