Podcast
Questions and Answers
The atomic number represents the number of ______.
The atomic number represents the number of ______.
protons
The mass number is the sum of the number of ______ and the number of neutrons.
The mass number is the sum of the number of ______ and the number of neutrons.
protons
The number of electrons in an atom is equal to the number of ______.
The number of electrons in an atom is equal to the number of ______.
protons
