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The example sentences of RUBIDIUM in videos (3 in total of 3)

Cesium - The most ACTIVE metal on EARTH! English (null)
furthermore adverb , by preposition or subordinating conjunction analogy noun, singular or mass with preposition or subordinating conjunction rubidium proper noun, singular , i personal pronoun decided verb, past tense to to conduct verb, base form the determiner reaction noun, singular or mass of preposition or subordinating conjunction cesium proper noun, singular with preposition or subordinating conjunction sand noun, singular or mass .
Francium - Periodic Table of Videos English (null)
rubidium proper noun, singular and coordinating conjunction cesium noun, singular or mass as preposition or subordinating conjunction the determiner atoms noun, plural get verb, non-3rd person singular present bigger adjective, comparative the determiner reason noun, singular or mass why wh-adverb francium noun, singular or mass does verb, 3rd person singular present n't adverb behave verb, base form as preposition or subordinating conjunction people noun, plural expect verb, non-3rd person singular present
What is Absolute Zero? Searching for the Coldest Possible Temperature English (CA)
at preposition or subordinating conjunction the determiner time noun, singular or mass that preposition or subordinating conjunction i personal pronoun ’ m proper noun, singular recording verb, gerund or present participle this determiner video noun, singular or mass , physicists noun, plural have verb, non-3rd person singular present used verb, past participle lasers noun, plural to to cool adjective down adverb rubidium proper noun, singular - 87 cardinal number

Definition and meaning of RUBIDIUM

What does "rubidium mean?"
rubidium

/ro͞oˈbidēəm/

noun
Soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite.

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