Among the alkali metals, cesium is often described as which of the following (considering stable/common isotopes)?

The most reactive stable alkali metal

The most abundant alkali metal in Earth's crust

The least reactive alkali metal

Cesium formate brines are widely used industrially in which application?

Oil and gas drilling fluids (well completion)

Higher electronegativity and lower reactivity

Lower ionization energy and larger atomic radius

Stronger metallic bonding than lithium

Higher ionization energy and smaller atomic radius

It reacts explosively, producing hydrogen and heat

It reacts gently, like sodium, producing little heat

It forms a stable hydrated oxide without hydrogen evolution

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01Cesium-133 is best known for its role in which major application?
02What is the ground-state electron configuration of a neutral cesium atom (abbreviated)?
03Among the alkali metals, cesium is often described as which of the following (considering stable/common isotopes)?
04What is the atomic number of cesium (Cs)?
05Cesium formate brines are widely used industrially in which application?
06Relative to other group 1 (alkali) metals, cesium is characterized by which trend in metallic properties?
07Which of the following is a common cesium compound used historically as a reference salt and in laboratories?
08Which statement best describes cesium's behavior toward water?
09Which mineral is the principal ore from which cesium is commercially extracted?
10Which oxidation state is most commonly exhibited by cesium in compounds?