It should be 2+ because Ba is in the 2nd group which means it needs two more electrons.
Answer:
Sorry I would bu that looks so hard
Explanation:
Answer:
See the picture... I hope that's the answer
Answer: Sodium + water → hydrogen gas + sodium hydroxide (aq) + heat [(aq) means “dissolved in water”. It stands for “aqueous”.] If we boil off the water, we will be able to see the sodium hydroxide crystals. The sodium hydroxide is one of the two new substances produced by this chemical change.