Question

Give the nuclear symbol (isotope symbol) for the isotope of bromine that contains 44 neutrons per atom. nuclear symbol:__________ Give the nuclear symbol (isotope symbol) for the isotope of iron that contains 30 neutrons per atom. nuclear symbol:__________ Give the nuclear symbol (isotope symbol) for the isotope of gold that contains 118 neutrons per atom. nuclear symbol:__________

Answer 1

Answer:79

35Br

56

26Fe

197

79Au

Explanation:

In the nuclear symbol of an element, the superscript represents the mass number. The mass number is the sum of the number of protons and the number of neutrons present in the atom. The subscript is the atomic number which is the number of protons present in the atom or the number of electrons in the neutral atom.