Answer: Replacement means a person or thing that takes the place of another; a substitute.
Answer:
Lithium has 3 protons, 4 neutrons, 3 electrons, and its mass is 6.941 u
Answer:
the last airbender is on Netfilx
Explanation:
go watch it
Answer: Oxygen - 18 atom contains 8 protons.
Explanation:
The number of protons is the same as the atomic number. In isotopes, only the neutrons vary, but the protons always remain the same.