300 200
20 30
+ 4 + 1
---------
When the calcium atom loses electrons, it's charge increases by the number of electrons lost.
It loses 2 electrons, so it's charge increases by 2.
The answer is +2
13+x=x because 13 plus x will be a good number so you can be able to join the basketball league
Answer:
x>−72 or x<−132
Step-by-step explanation:
I believe that is the answer
