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New Series Current Affairs (25 January 2019) for DSSSB, KVS, APS, TET's, NVS, NDMC
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In this Lesson I have Covered New Series Current Affairs (25 January 2019) for DSSSB, KVS, APS, TET's, NVS, NDMC So Keep Preparation Like, Share, Follow, Reviews 📚📚

Rekha
Youtuber: Aim for teaching | Graduate+D.Ed | Qualified CTET(2 Times) | 4+ year Experience as a Assistant Teacher

Unacademy user
why the position of hydrogen in mendeleev's periodic table is incorrect ???????
Because hydrogen resembles both group 1 and group 7 elements. So its position is not fixed
Sahim attar
a year ago
because it resembles as alkali as well as halogen, right ???? then in modern periodic table too it resembles same
Yes! Even the modern periodic table has the same problem. That is why hydrogen is kept alone at the top of the periodic table.
H is not considered a part of any group.
Sahim attar
a year ago
Its ok.
  1. CURRENT AFFAIRS SERIES 2019 Star Educator COURSE-5 LESSON-69 By Rekha Kushwaha Like, Share, Follow Reviews


  2. Now I am Verified Star Educator acad This is Rekha Kushwaha from Delhi. I have done Graduation from DELH UNIVERSITY. (Pursuing Masters from IGNOU) then I have done D.ED with two times qualified CTET. Having a 4 year Experience as a Assistant Teacher.


  3. DAILY CURRENT AFFAIRS 25 at 2019 DSSSB, NVS, KVS SPECIAL 2019




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