ps ch 4

Match it! Select the correct answer from the pull down...Good luck!

Thomson made his discovery about the atom during an experiment using

Whose model determined that an atom's positive energy is concentrated at the atom's center

A subatomic particle that has a negative change is called a(n)

Who determined that atoms could be divided

Thomson is responsible for discovering that an atom contains

In ____________ atomic model, negative electrons orbit the positively charged nucleus

Which of the following statements is NOT true

What is an atom's nucleus made of