In a neutral atom, which subatomic particle carries a negative charge?

Which subatomic particle determines the identity of an atom (i.e., which element it is)?

Which subatomic particle determines the identity of an element (i.e., its atomic number)?

In an atom or ion, which subatomic particle(s) determine the net electric charge?

Which statement correctly describes a property of a neutron in an atom?

Which neutral atom has 6 electrons?

Which element has 31 protons in its nucleus?

In a simplified model of the atom, which subatomic particles are considered the heavy particles (i.e., account for nearly all of the atom’s mass)?

In early atomic theory, which scientist is commonly credited with calculating the electron’s charge-to-mass ratio and thereby enabling determination of the electron’s mass?