Atoms form ions so as to achieve electron configurations similar to those of the noble gases. For the following pairs of noble gas configurations, choose the formula of a simple ionic compound that would have comparable electron configurations: a. [Ne] and [Kr] ONAI LiBr ORbF OKH b. [Ar] and [Xe] BaClz CsF BaBr2 Nal c. [Ne] and [Rn] NaF ORaF2 CsI BeCl₂
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
![[Review Topics]
Atoms form ions so as to achieve electron configurations similar to those of the noble gases. For the following pairs of
noble gas configurations, choose the formula of a simple ionic compound that would have comparable electron
configurations:
a. [Ne] and [Kr]
ONal
LiBr
RbF
KH
b. [Ar] and [Xe]
BaCl2
CsF
BaBr2
Nal
c. [Ne] and [Rn]
NaF
RaF2
CsI
BeCl2
tempts remaining
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