Matter

Smallest particle of an element

• Atom
• Element
• Molecule
• Compound

He coined the term atoms

• Democritus
• Niels Bohr
• John Dalton
• J.J. Thompson

Atomos is a Greek word that means 

• Infinite
• Indescribable
• Indivisible
• Independent

Found in the nucleus and is positively charged

• Neutron
• Proton
• Electron
• Protein

Found in the nucleus and does not have any charge

• Proton
• Neutron
• Electron
• Neuter

Found outside the nucleus and has a negative charge

• Proton
• Electron
• Neutron

Presented scientific evidence that matter is made up of tiny particles

• J.J. Thomson
• John Dalton
• Niels Bohr
• Ernest Rutherford

Proposed that the atom is a small positively charged sphere with electrons spread throughout it.

• J.J. Thomson
• John Dalton
• Niels Bohr
• Ernest Rutherford

His model had small positively charged nucleus at its center with electrons moving around the nucleus.

• J.J. Thomson
• John Dalton
• Niels Bohr
• Ernest Rutherford

He proposed that electrons move around the nucleus in fixed orbits.

• J.J. Thomson
• John Dalton
• Niels Bohr
• Ernest Rutherford