https://www.britannica.com/science/hydrogen/Reactivity-of-hydrogen

Hydrogen - Reactivity of hydrogen: One molecule of hydrogen dissociates into two atoms (H2 → 2H) when an energy equal to or greater than the dissociation ...

https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_(Inorganic_Chemistry)/Descriptive_Chemistry/Main_Group_Reactions/Reactions_of_Main_Group_Elements_with_Hydrogen

May 10, 2019 ... This module will introduce the basic chemistry of hydrogen and the general reactions between hydrogen and the main group elements.

https://www.webelements.com/hydrogen/chemistry.html

This WebElements periodic table page contains reactions of elements for the element hydrogen.

https://chemed.chem.purdue.edu/genchem/topicreview/bp/ch10/hydrogen.php

Hydrogen combines with every element in the periodic table except the .... of the H2 molecules dissociate to form hydrogen atoms that are highly reactive.

https://www.quora.com/Why-is-hydrogen-highly-reactive

I guess you mean molecular hydrogen H2. H2 is a strong reducing agent, ready to give its electrons to any oxidizing agent wandering around.

https://chemistry.stackexchange.com/questions/27180/why-is-hydrogen-gas-so-highly-reactive

Hydrogen is not particularly reactive. For example, just mixing hydrogen and oxygen gas will not cause a reaction at room temperature, but ...

https://en.wikipedia.org/wiki/Hydrogen

H2 is a product of some types of anaerobic metabolism and is produced by several microorganisms, usually via reactions ...

https://www.scientificamerican.com/article/why-does-combining-hydrog/

For both of the reactions shown, the hydrogen molecules are oxidized and the oxygen atoms are reduced. Accordingly, each of the reactions below is described  ...

https://courses.lumenlearning.com/boundless-chemistry/chapter/hydrogen/

When participating in reactions, hydrogen can have a partial positive charge when reacting with more electronegative elements such as the halogens or oxygen, ...

https://www.bbc.com/bitesize/guides/zqjsgk7/revision/1

Learn how the reactivity series helps us to predict how metals will react with BBC ... It is useful to place carbon and hydrogen into the reactivity series because ...