It’s +21 (c) if i answered late my apologies
I believe Neon is closest to Magnesium on the Periodic Table of elements.
Sorry if I'm wrong, hope I could help though! :)
I think it is decomposition because it processes in which chemical species break up into simpler parts.
<span>1. Na
2. Ni
3. Na2S
4. Electrolytic Cell (Galvanic and Voltaic are synonyms, both are electric cells without an external power source.
5. 3
6. The first one
7. Na
8. Reducing agents are oxidized
hope this helps you
</span>