notes quiz Flashcards
chemical bond
-attractive force between atoms or ions
why do atoms form bonds?
-to decrease potential energy
-to increase stability
valence electrons
-electrons in the outermost energy level
amount of valence electrons in group 1 of the periodic table
1
amount of valence electrons in group 2 of the periodic table
2
amount of valence electrons in group 13 of the periodic table
3
amount of valence electrons in group 14 of the period table
4
amount of valence electrons in group 15 of the periodic table
5
amount of valence electrons in group 16 of the periodic table
6
amount of valence electrons in group 17 of the periodic table
7
amount of electrons in group 18 of th periodic table
8
which element is an exception to the number of valence electrons by group? how many does it have/ what row is it in?
-helium
-2
-group 18 (its a noble gas)
ionic compound
-composed of positive and negative ions
-combined so that the numbers of positive and negative charges are equal
-neutral net charge
what does ionic bonding occur between and involve?
-a metal and a nonmetal
-the transfer of electrons between atoms
cations
-lose electrons
-positive charge