What is the name given to atoms 35Cl and 37Cl of chlorine, with the same atomic number, but different masses?

35Cl and 37Cl are called the Isotopes of chlorine.

Isotopes are those elements that having same atomic number that is no. of protons but different mass number that is no. of neutrons.

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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