PS Ch 4 Flashcards

Front

All substances are built up from only four elements-earth, air, fire, and water.

Back

Ancient Greek atomic model

Front

The scientist first responsible for showing that atoms consisted of positively and negatively charged particles

Back

Thompson

Front

Scientist that concluded that atoms have a positively charged nucleus.

Back

Rutherford

Front

Dense, positively charged mass in the center of an atom

Back

nucleus

Front

Who was the first to claim that compounds contain atoms of more than one element?

Back

Dalton

Front

"Plum pudding" model (or chocolate chip ice cream)

Back

Thomson

Front

Alpha particles and the gold foil experiment

Back

Rutherford

Front

Thompson's experiments provided evidence that

Back

atoms are made of smaller "sub-atomic" particles

Front

Democritus named the smallest particles of matter ______ because they could not be divided.

Back

atoms, atom

Front

Dalton's theory of atoms stated that all atoms have the same mass.

Back

false