At the time of Mendeleev, the number of elements known was

Periodic Classification Of Elements

1 Posts

2 Users

0 Likes

293 Views

12/11/2020 10:58 am

Topic starter

romiroy12

(@romiroy12)

Illustrious Member

2049 Posts
2049 0 0

At the time of Mendeleev, the number of elements known was

(a) 63

(b) 65

(d) 64

Add a comment

Topic Tags

1 Answer

12/11/2020 10:58 am

Anonymous

0 Posts
0 0 0

At the time of Mendeleev, the number of elements known was 63.

Add a comment

Forum Icons: Forum contains no unread posts Forum contains unread posts

Topic Icons: Not Replied Replied Active Hot Sticky Unapproved Solved Private Closed

Forum