CHAPTER 4 QUIZ

what type of bond formed between positive and negative ions?

• covalent bond

• ionic bond

• hydrogen bond

• dative bond

if two atoms share a pair of electrons, what bond will formed?

• peptide bond

• hydrogen bond

• covalent bond

• dative bond

which is the exceptions of octet rulem

• incomplete octet

• complete octet

• expanded octet

• odd number electrons

IO3- does not obey the octet rule. which exception of octet rule for this compound?

• odd numbee electrons

• complete octet

• incomplete octet

• expanded octet

which is the correct way to calculate formal charge (FC) ?

• FC = valence electrons - no. of lone pair - no. of bond

• FC = no. of electrons - no. of dot - no. of lone pair

• FC = valence electrons - no. of dot - no. of bond

• FC = no. of electrons - no. of lone pair - no. of dot

if we want to draw more than one Lewis structure for one single molecule, it's called _________.

what is the basic shape and angle for CCl4 ?

• tetrahedral, 90°

• trigonal pyramidal, 109.5°

• tetahedral, 109.5°

• trigonal pyramidal, 90°

what element that do not achieve the octet rule even after sharing electrons with other atoms?

• Be, Br, Al

• Al, Be, H

• B, Li, Be

• Al, Be, B

Molecular geometry for XeF4 is ________ and the polarity for XeF4 is _______.

what is the molecule geometry for one compound if the bond angle is less than 90° only ?

• T-shaped, see saw, square planar

• T-shaped, square pyramidal

• see saw, square pyramidal, square planar

• see saw, T-shaped