Organic Chemistry- Substances only found in living organisms.
Physical Chemistry- Structure of physical compounds and the amount of energy they have.
Inorganic Chemistry- Study of carbon containing compounds.
(4) 220Fr, known as Francium-220, undergoes alpha decay, which emits an alpha particle, also known as a helium nucleus, which has a charge of +2.
Answer:
I(Br)
Explanation:
You will be combining one iodine atom with one bromine atom.
Answer: Thomson
Explanation: It verified J. J. Thomson's work on the atomic structure.