PS Ch 4 Atomic Structure Periodic Table

Which subatomic particle has a negative charge?

Who came up with the original idea of tiny particles making up everything and called them atomos?

The atomic mass is the sum of

Which famous experiment showed us there are charged particles in atoms that we now call electrons?

The elements on the periodic table are arranged by

We cannot know for sure the exact location and speed of an electron.

The atomic number of an element is the number of __________ it has.

Electrons can be found

Carbon 14 is __________ of carbon because it has extra ________.

The Gold Foil Experiment led to the discovery of the

If you were to pick an element from random it would most likely be a nonmetal.

The first energy level can have this many electrons.