Answer:
I think your correct but I'm not so sure
The lanthanides and actinides are separated from the rest of the periodic table, usually appearing as separate rows at the bottom. The reason for this placement has to do with the electron configurations of these elements.
Answer:
xenon
Explanation:
Xenon is a non-metal, odorless gas, consist of single atoms, colorless, and 8 valence electrons out of everything else on this list.
As the tone gets higher, the sound waves get closer together
Answer:
C+O2=CO2
Explanation:
no.of atoms on reactant side= no.of atoms on product side