look at the model of the helium atom shown below. what part of the atom is represented by the letter x? a…
look at the model of the helium atom shown below. what part of the atom is represented by the letter x? a. electron b. nucleus c. neutron
Answer
Brief Explanations:
In an atomic model, electrons are negatively - charged particles that orbit the nucleus. The symbol with a negative sign in the outer region of the atom model represents an electron.
Answer:
A. electron