Atomic Number, Mass Number, and Net Charge by Tyler Dewitt

What is the atomic number of an atom?

• Number of electrons and protons combined

• Number of electrons

• Number of neutrons

• Number of protons

What is the mass number of an atom?

• Number of protons

• Number of neutrons

• Number of protons and neutrons combined

• Number of electrons

What is the net charge of an atom with 4 protons and 3 electrons?

• +1

• -1

• +2

• 0

What is the net charge of an atom with 5 protons and 3 electrons?

• -1

• +1

• -2

• 0

What is the net charge of an atom with 3 protons and 4 electrons?

• 0

• -2

• +1

• -1

What is the net charge of an atom with 3 protons and 5 electrons?

• -1

• 0

• -2

• +1

What is the net charge of an atom with 4 protons and 4 electrons?

• -1

• -2

• 0

• +1

What is the net charge of an atom with 3 protons and 3 electrons?

• -1

• +1

• -2

• 0