Exam 8: Periodic Relationships Among the Elements

The successive ionization energies of a certain element are I₁ = 589.5 kJ/mol, I₂ =1145 kJ/mol, I₃= 4900 kJ/mol, I₄ = 6500 kJ/mol, and I₅ = 8100 kJ/mol.This pattern of ionization energies suggests that the unknown element is

The electron configuration of a copper(I)ion is

The electron configuration of the outermost electrons of atoms of the halogen group is ns²np⁷.

Consider the following reaction: 3Li + Z $\rarr$ Li₃Z.What is the formula for the compound if we substitute magnesium for lithium?

Which of the following elements is found as a diatomic species in its most stable form?

Sodium ions are more reactive than sodium atoms.

Which of the elements listed below has the highest first ionization energy?

The law of octaves was proposed by

Concerning the electron configuration of F, 1s²2s²2p⁵, write the configuration for the valence shell electrons only

Which one of the following does not have [Xe] as its electronic configuration?

How many electrons does a sulfur atom need to fill its outermost s and p subshells?

What are the products of the following reaction? H₂(g)+ Cl₂(g) $\rarr$

Consider the element with the electron configuration [Kr]5s²4d¹⁰5p⁵.This element is

Write the ground-state electron configuration for Ca²⁺.

The sulfide ion, S^2-, is isoelectronic with which one of the following?

The successive ionization energies of a certain element are I₁ = 577.9 kJ/mol, I₂ = 1820 kJ/mol, I₃= 2750 kJ/mol, I₄ = 11,600 kJ/mol, and I₅ = 14,800 kJ/mol.This pattern of ionization energies suggests that the unknown element is

Write the ground-state electron configuration for S^2-.

Which species has the greater radius, an I^- ion or an I atom? Briefly explain your choice of answer.

Which of the atoms listed below has the smallest radius?

Which of the following elements has the greatest metallic character?