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: The successive ionization energies for an unknown element are:I1 = 896 kJ/molI2 = 1752 kJ/molI3 = 14,807 kJ/molI4 = 17,948 kJ/molTo which family in the periodic table does the unknown element most lik

Solution: The successive ionization energies for an unknown element are:I1 = 896 kJ/molI2 = 1752 kJ/molI3 = 14,807 kJ/molI4 = 17,948 kJ/molTo which family in the periodic table does the unknown element most lik

Problem

The successive ionization energies for an unknown element are:

I1 = 896 kJ/mol

I2 = 1752 kJ/mol

I3 = 14,807 kJ/mol

I4 = 17,948 kJ/mol

To which family in the periodic table does the unknown element most likely belong?

Solution

Ionization energy is the energy required to remove an electron from an element. 

Now we can see here that we have multiple ionization energies for the same element. We can see that they have a subscript after I, which just denotes the nth electron to be removed from a specific element.

The general trend is that it would get harder and harder to remove electrons, which explains the increasing ionization energy.

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