It is Neon. Neon is the last element in the second period, Li and B are metals and O is element number 8 so that means it is way more on the right of the periodic system
Answer from: Quest
the atomic mass is the bottom number on the element.
-steel jelly
Answer from: Quest
They are all decomposition reactions.
Another question on Chemistry
Chemistry, 22.06.2019 00:00
How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.
If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.