Science Studying Atoms Ch. 4-1 Midterm

Aristotle did not think there was a limit to the number of times _____ could be divided.

Who was a Greek philosopher, matter consisted of small particles named atoms?

A flow of charged particles is called an ______ _______.

Objects with like charges charges ________ .

Dalton theory that all matter is made up of individual particles called __, can't be divided.

Who was John Dalton?

What is it called when something emits fast-moving particles that have a positive charge?

_____ experiments provided the first evidence that particles.

Dalton made what to represent the atoms of different elements?

According to Rutherford's experiment, what happened?

Aristotle thought that all substance were built from 4 elements...What were they?

_____ experiments provided the first evidence that atoms are made of even smaller particles.

Thought all substances were made of only 4 elements, Earth, Water, Fire, Air.

Studying the structure of atoms is a little like studying _____.

What can represent Thomson's experiment?

Objects with opposite charges ______.

According to Rutherford's experiment, what happened?

Thomas proposed the theory that all matter is made up of individual particles, called atoms.

All atoms of the same elements have the _ mass, and atoms of different elements have _ masses.

When an atom is ____ it has a negative nor a positive charge.