Identify the missing information for each neutral isotope.

1. A SeSe atom has a mass number of 7979. Determine the number of neutrons, protons, and electrons in this neutral isotope.

number of neutrons:

number of protons:

number of electrons:

2. A neutral isotope has a mass number of 6565 and 3636 neutrons. Identify the element symbol of this isotope and determine the number of protons and electrons.

element symbol:

number of protons:

number of electrons:

3. A neutral isotope has 4949 neutrons and 3636 electrons. Identify the element symbol of this isotope and determine the mass number and number of protons.

element symbol:

mass number:

number of protons: