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 State Board
Class 8
Atomic structure
Introduction to valency and chemical equations
7.
Ion and their symbols
Exercise condition:
8
m.
Match the correct ion on their symbols:
Information
Author
Positive valency
Hydroxide
Bromine
Chlorine
Potassium
electron gain
\(*\)
\(-\)
\(+\)
\(=\)
Cadmium cation
\(Cd^2{^+}\)
\(Kd^2{^-}\)
\(Cd^2{^-}\)
\(Kd^2{^+}\)
Nitrate anion
\( NO_3{^+} \)
\( NO_2{^-} \)
\( Ni_3{^-} \)
\( NO_3{^-} \)
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!