Answer:
Generally, the first ionisation energy increases along a period. But there are some exceptions one which is not an exception
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.
The atomic number, the number of protons and the number of electrons.
Answer:
72 ml-50 ml =22 ml is the volume of the object
Explanation:
