Chemistry

John E. McMurry, Robert C. Fay, Jill Kirsten Robinson

Chapter 22 The Main-Group Elements - all with Video Answers

Educators

Section 1

A Review of General Properties and Periodic Trends

02:35

Problem 1

Predict which element in each of the following pairs has more nonmetallic character:
(a) $\mathrm{B}$ or $\mathrm{Al}$
(b) Ge or $\mathrm{Br}$
(c) In or Se
(d) Cl or Te

Grigoriy Sereda

Numerade Educator

03:52

Problem 2

Element A has a lower ionization energy, lower electronegativity, and larger size than element B. Which element has more metallic character?

Theodore Donnell

Numerade Educator