Module #9: Polyatomic Ions and Molecular Geometry

Question 1

Polyatomic ions

Answer 1

Ions which are formed when a group of atoms gains or loses electrons

Question 2

Purely Covalent bond

Answer 2

A covalent bond in which the electrons are shared equally between the atoms involved

Question 3

Polar bond

Answer 3

A covalent bond in which the electrons are shared unequally between the atoms involved.

Question 4

What is the bond angle of a Tetrahedron molecule?

Answer 4

109^o

Question 5

What is the bond angle of a Pyramidal molecule

Answer 5

107^o

Question 6

What is the bond angle of the H₂O Bent shape?

Answer 6

105^o

Question 7

What is the bond angle of a Trigonal Molecule?

Answer 7

120^o

Question 8

What is the bond angle of a Linear Molecule?

Answer 8

180^o

Question 9

What does V.E.S.P.R stand for?

Answer 9

Valence Shell Electron Pair Repulsion

Question 10

What is the VESPR Theory?

Answer 10

It states that molecules will attain whatever shape keeps the valence electrons of the central atom as far apart from one another as possible.