Q.1.
The reason that salt crystallines, such as KCl, are held together so well is because the cations are strongly attracted to:
Q.2.
The octet rule means that all valence shells want to have the number......
Q.3.
The most electronegative atom in the periodic table is:
Q.4.
Which of the following combinations could be described by the "sea of electrons" model?
Q.5.
The correct decreasing order of the boiling points of Hand NH3 is:
Q.6.
The chemical formula of iron (III)bromide is
Q.7.
The ability of an atom in a molecule to attract electrons is best quantified by the ______.