a. Why is the SO3 molecule trigonal planar but the SO32– ion is trigonal pyramidal?
Locate each of the following elements on the periodic table.
(f) Group 5A element that forms the strongest p bonds


Verified Solution

Key Concepts
Periodic Table
Group 5A Elements
P Bonds
Give one example from main-group chemistry that illustrates each of the following descriptions.
d. Polar molecule that violates the octet rule
An important physiological reaction of nitric oxide (NO) is its interaction with the superoxide ion (O2–) to form the peroxynitrite ion (ONOO–).
a. Write electron-dot structures for NO, O2–, and ONOO–, and predict the O–N–O bond angle in ONOO–.
Look at the location of elements A, B, C, and D in the following periodic table:
Which hydride has the lowest boiling point?
In the following pictures of binary hydrides, ivory spheres
represent H atoms or ions, and burgundy spheres represent
atoms or ions of the other element.
(1)
(2)
(3)
(4)
(a) Identify each binary hydride as ionic, covalent, or interstitial.
(b) What is the oxidation state of hydrogen in compounds (1), (2), and (3)? What is the oxidation state of the other
element?
In the following pictures of binary hydrides, ivory spheres
represent H atoms or ions, and burgundy spheres represent
atoms or ions of the other element.
(1)
(2)
(3)
(4)
(b) What is the oxidation state of hydrogen in compounds (1), (2), and (3)? What is the oxidation state of the other
element?