need help with question 7

it is asking to write the isotope version using the numbers( the atomic number and mass)

6. Practice your understanding: write the atomic symbol, including the atomic number and 70 the mass number, for each of the following: a. a silicon atom with 14 neutrons b. a gallium atom with 39 neutrons 31 c. a hydrogen atom with 2 neutron d. a lithium atom with 4 neutrons 7. Rewrite the isotopes above with the alternate abbreviation, record your answers in the answer sheet. a. a silicon atom with 14 neutrons b. a gallium atom with 39 neutrons c. a hydrogen atom with 2 neutrons d. a lithium atom with 4 neutrons