Check the picture below.
Answer:
i believe it is 16.
hope this helped :)
The answer I think is correct is B
Step-by-step explanation:
I hope that's corrected?
Ionic bonding is called when you lose or gain electrons.
31-3x+19x-5=90
26+16x=90
-26 -26
--------------------
16x= 64
16x/16= 64/16
x=4
m <R=19 (4)-5= 71.
