A prefix representing two atoms
What is di?
Sodium has this many valence electrons (dots)
What is one?
Ionic bonds can be broken in this way
Dissolve in water or strike/shatter them?
What is a positive?
Which of the following molecules conatins a central atom that does not obey the octet rule?
1) PF3 2)PBr5 3)AlI3 4)SiCl4
What is #2 or PBr5 ?
Prefix representing four atoms
What is tetra?
These two elements can have up to two valence electrons in the outer most shell
What is hydrogen and helium?
Some of the bond angles in covalent bonds are not planar, but bent. This is due to this (or these)
What is lone pairs of electrons?
Hydrogen bonding is not considering a true bond because of this
What is it is an electrostatic attraction between hydrogen and an electronegative ion? (dipole-dipole attraction)
A trigonal pyramidal shape has this many lone pair of electrons
What is one pair?
Prefix representing seven atoms
What is hepta?
Silicon has these many dots (valence electrons)
What is 4?
Bond lengths depend on the amound of bonds in covalent bonds. The correct order, from shortest to longest bond lenght, is this
(for single, double, triple bonds)
What is triple, double, single?
Hydrogen bonding, as well as van der Waals forces, are considered _____ molecular forces
What is intermoleculer?
The angle between bonds in a linear molecule is this
What is 180 degrees?
Dihydrogen pentaoxide has this many atoms
What is 7?
This many dots (electrons) are present in a triple bond
What is 6?
Many elements are more stable as ions than they are as atoms because of this
What is when they become ions (+ or -) they either complete their valence shell by gaining electrons or go to a lower, complete shell by giving up their valence electrons?
The strong attraction of hydrogen in one water molecule to oxygen in another water molecule gives rise to some unique properties in water, among which are
What is how water droplets form, waters high heat capacity/high heat of vaporisation and keeps water in liquid form over wide range of temperature?
The angle between bonds in a trigonal planer is this
What is 120 degrees ?
Sulfur hexaflouride has this many atoms
What is 7?
There are this many dots/valence electrons involved in the bonding of C6H6 (Benzene ring) (see photo on white board.
What is 30?
These two types of bonds are arranged in crystalline, orderly patterns, giving rise to their unique chemical and physical properties
What is an ionic and metallic bonds?
Hydrogen bonding occures where these three highly electronegative elements are bonded to hydrogen
What is a oxygen, nitrogen and flourine?
A square pyramidal has this many bonds to the central atoms
What is 6?