Chemistry 1130 Flashcards
transferred from electron to electron in a metal
heat and electrical energy
increases in Group IIA metals as ionization energy decreases
atomic radius
central metal ion surrounded by a specific number of polar molecules or ions
complex ion
measure of an atom’s ability to hold on to its valence electrons
ionization energy
their oxides react with water to form alkaline solutions along with hydrogen gas
Group IIA metals
give elements their characteristic chemical and physical properties
valence electrons
device in which sodium is prepared
Downs cell
color of transition-metal compounds is related to the partial filling of these orbitals
d
composition of the unit cells in metals since the valence electrons are delocalized
ions
Mobile electrons emitting light at many wavelengths cause metallic ___ in metals
luster
Alkali metals are not found free in nature because of their _____
high chemical reactivity
Alkali metals have a ____ luster and conduct heat and electricity well
silvery
Group IA metals are good ____ agents
reducing
Mobile electrons in metals roam ___ within a metal crystal
freely
When an electron absorbs energy and jumps to a higher energy level, it is said to be ____
excited