Ch.8 - Periodic Properties of the ElementsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Which of the following statements is(are) true?a. F has a larger first ionization energy than does Li.b. Cations are larger than their parent atoms.c. The removal of the first electron from a lithium

Solution: Which of the following statements is(are) true?a. F has a larger first ionization energy than does Li.b. Cations are larger than their parent atoms.c. The removal of the first electron from a lithium

Problem

Which of the following statements is(are) true?

a. F has a larger first ionization energy than does Li.

b. Cations are larger than their parent atoms.

c. The removal of the first electron from a lithium atom (electron configuration is 1s2 2s1) is exothermic—that is, removing this electron gives off energy.

d. The He atom is larger than the H+ ion.

e. The Al atom is smaller than the Li atom.

Solution

To solve this problem, we will look at several periodic trends. 

Let us look at each statement individually:

a. F has a larger first ionization energy than does Li.

Ionization energy is the energy needed to remove an electron from a gaseous element. The general trend for ionization energy is:

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