C.
Their radiation facilitates nuclear fusion in young stars.
There are 6 Elements in the Halogen section of the Periodic Table.
- Element 7 (Fluorine)
- Element 17 (Chlorine)
- Element 35 (Bromine)
- Element 53 (Iodine)
- Element 85 (Astatine)
- Element 117 (Tennessine)
There is no one "atom" of halogen.
A particle which is smaller than an atom in size. Typically, an atom can be broken down into three subatomic particles, namely: protons, electrons, and neutrons.
Intelligence is the ability to acquire and apply knowledge and skills. Intelligence is acquired by learning things over time, mostly influenced by learning from experience over time.