Answer is b. Hope it help
Yes, this is balanced. Each part of the substance (like Mg) has the same number on both sides.
Hope this helps you:)
Answer:
Number of neutrons is equal to 148.
You did not include the statements but since magnesium chloride is ionic substance that we know that magnesium and chlorine formed an ionic bond. Therefore your statement most likely will talk about how one magnesium atom gave up 2 electrons while two chlorine atoms took 1 electron. The reaction looks like Mg+2Cl⇒MgCl₂.
I hope this helps. Let me know in the comments if anything is unclear.
