Remark
The short Answer is 6. That's why the ion has a charge of minus 2. Oxygen is doing it's best to have its outer ring have 8 electrons which is the number of outer electrons contained in the outer ring of the Noble Gas Neon.
Answer 6.
Answer:The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
Explanation:
Answer:
it forms nitrogen gas if it reacts with hydrochloric acid.
Explanation:
Speed depends on your referential. Some chemical reactions can take only a fraction of a second while others take days.
Combustion is typically very fast. You can also try and look at lithium+water which is a dangerous, fast and exothermic reaction.