ICSE Class 8 Answered
hydrogen forms a positive ion just like metals. still, it combines with very reactive metals
Asked by nathsantanukumar | 23 Jun, 2018, 08:57: PM
Expert Answer
Hydrogen is placed first in the periodic table because it has one electron in its outermost shell.
But sometimes it shows properties of halogens also, it can form H+ as well as H- ion.
When hydrogen reacts with a non-metal it forms H+ ion and when it attached to a metal it can form H- ion.
Answered by Ramandeep | 25 Jun, 2018, 12:05: PM
Concept Videos
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Study of First Element - Hydrogen
Study of First Element - Hydrogen, Preparation of Hydrogen -
Study of First Element - Hydrogen
Study of First Element - Hydrogen, Properties of Hydrogen -
Study of First Element - Hydrogen
Study of First Element - Hydrogen, Preparation of Hydrogen -
Study of First Element - Hydrogen
Study of First Element - Hydrogen, Preparation of Hydrogen -
Study of First Element - Hydrogen
Study of First Element - Hydrogen, Preparation of Hydrogen
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