The outer planets of the solar system that are known as Gas Giants
An abyssal plain......................................
Answer is: 4)Mass
I really hope this helped you out!!!!
According to my astronomy book, it's about 0.206
The equation that shows the formation of chromium (ii) ion from neutral chromium atom is as follow
Cr ---> cr^2+ + 2e-
Cr^2+ is the chromium ion with oxidation state of two which is one of the common ion of chromium. Other common ion of chromium include chromium of oxidation state 6 and 3