Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 10
Periodic classification of elements
Classical and modern periodic classification of elements
2.
Fill in blanks: Law of Octaves
Exercise condition:
4
m.
Answer the following questions in a word:
Answer variants:
Valency
Law of octaves
Row
Atomic number
1.
The combining capacity of an atom is equal to its __________.
2.
Dobereiner arranged the elements into triads, while Newlands proposed the __________.
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!