1.3 and 1.4 Flashcards
(15 cards)
What 3 elements are exceptions to the octet rule?
H, Li, and Be
Do metals and non-metals generally want to give or take electrons?
Metals: give
Non-metals: take
Where are the non-metals located on the periodic table?
On the right side.
Ions in the first, second, and columns have what charge?
The charge of their column.
Ions in the fourth column will have what charge?
Either a 4+ or a 4-.
What charge do ions have in the seventh, sixth, and fifth column have?
Seven: -1
Six: -2
Five: -3
Where are the transition metals located?
In the middle.
What does VSEPR stand for?
Valence Shell Electron Pair Repulsion
What shape of molecule is a molecule with three atoms coming off from the central atom, all same distance apart?
Trigonal Planar
120 degrees
What shape of molecule is one with three things coming off of it, one which is a lone electron pair?
Bent or angular.
104.5 degrees
What shape of molecule is one with four things coming off the centre, all the same distance apart from one another?
Tetrahedral
109.5
What shape of molecule has 5 things coming off the centre, all which are the same distance apart?
Trigonal bipyramidal
90
120
180 degrees
What shape of molecule has 4 things coming off, one of which is a lone electron pair?
trigonal pyramidal
107 degrees
What shape of molecule has 8 things coming off of the centre, all which are the same distance apart from one another.
Octahedral
90 degrees