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
Answer:
There are 1.8×1024 atoms in 1.5 mol HCl
Explanation:
C.
This is because the water has undergone a physical change meaning that the effects can be reversed. If nothing was added or lost from the water the ice would be the exact same weight.
When it changes phases energy is needednto break down the bonds so that is can change state from one phase to another.
Answer:
3.5
Explanation:
500*0.175= 8.75 *40/1000=3500/1000=3.5
