Science Dudes

Front

Who developed the wave theory?

Back

DeBrogile

Front

Who was the first person to mention atoms in his research?

Back

Democritus

Front

Who proposed that electrons can jump between energy levels?

Back

Bohr

Front

Who determined that atoms are mostly empty space?

Back

Rutherford

Front

Dalton used the solid sphere model. True or False?

Back

True

Front

What is the wave theory?

Back

A theory that describes the behavior of particles as waves, particularly in the context of light and electrons.

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

What did Rutherford's gold foil experiment demonstrate?

Back

That atoms have a small, dense nucleus and are mostly empty space.

Front

What is the significance of Democritus in atomic theory?

Back

He was the first to propose that matter is made up of small, indivisible particles called atoms.

Front

What is Bohr's model of the atom?

Back

A model that describes electrons orbiting the nucleus at fixed energy levels.