The answer is letter (B).
Answer:
The first element in the periodic table is hydrogen.
Explanation:
Hydrogen has an atomic number of one, making it the first element of the periodic table. The atomic number of an element is just the number of protons in the nucleus, so hydrogen has one proton. The neutrons and electrons do not affect the atomic number. After hydrogen with one proton comes helium with two, lithium with three, beryllium with four, and so on.
B because A is for radios of course and C is thermal energy and D is radioactive
Answer:
Its a physical
theres no chemical properties involved.
Explanation:
Brainliest please
Answer:lmk when u have the answer
Explanation: