Atomic theory/structure unit review

Which scientist used the oil drop experiment to determine the mass and charge of an electron?

How many electrons does the following have?

Which scientist came up with the first formal atomic theory?

What is the mass number?

Which particle is positive and found inside the nucleus?

Is this an atom or ion?

What does the 222 in radon-222 represent?

Which particle is neutral and found inside the nucleus?

What is the mass number?

How many electrons does the following have?

Experiments with __________ led to the discovery of the electron.

How many neutrons does the following have?

Isotopes are atoms that the same number of protons but different _____.

Is this an atom or ion?

How many protons does the following have?

What is the atomic number?

Ions are atoms that have the same number of protons but different _______.

Which scientist discovered the nucleus using gold foil?

How many protons does the following have?

Which scientist stated that electrons travel in orbits around the nucleus?

What does the 14 represent in this isotope?

What is the atomic number?

How many neutrons does the following have?

Which particle is negative and found outside the nucleus?