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What is hydrogen gas

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Answer:

a nonmetallic element that is the simplest and lightest of the elements and that is normally a colorless odorless highly flammable diatomic gas —symbol H — see deuterium, tritium — Chemical Elements Table. Other Words from hydrogen.

Step-by-step explanation:

User Rawdog
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Hydrogen is the smallest elements , with one potron and one electron .it is highly abundant no has unique and important chemicals properties .
User Tandi
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