## Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning

# Chapter 7 The Structure of Atoms and Periodic Trends - Study Questions - Page 281a: 28

#### Answer

$K\lt Li\lt C\lt N$

#### Work Step by Step

Ionization energy increases from left to right and decreases with period. Li (1), C(14) and N(15) are in period 2, and K is in period 3.

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