atomic history

Who was the first contributor to the atomic theory?

• John Dalton

• Ernest Rutherford

• JJ Thompson

• Democritus

• Neils Bohr

What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?

• Neils Bohr, Ernest Rutherford, JJ Thomson, John Dalton, & Democritus

• JJ Thomson, John Dalton, Neils Bohr, Ernest Rutherford, & Democritus

• Democritus, John Dalton, JJ Thomson, Ernest Rutherford, and Neils Bohr

• John Dalton, Neils Bohr, JJ Thomson, Democritus, & Ernest Rutherford

What are two facts about Democritus's?

• Greek philosopher

• Created the atomic theory

• Used the cathode ray tube in his discovery

• Believed that the universe was made of tiny "uncuttable" particles

• Discovered that the atom is mostly empty space

Democritus believed that the smallest particles, were atomos, the Greek word for 

• small
• uncut or indivisible
• basic

the smallest particle of an element that retains the chemical properties of that element

• ion
• isotope
• atom
• element

What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?

• Neils Bohr, Ernest Rutherford, JJ Thomson, John Dalton, & Democritus

• JJ Thomson, John Dalton, Neils Bohr, Ernest Rutherford, & Democritus

• Democritus, John Dalton, JJ Thomson, Ernest Rutherford, and Neils Bohr

• John Dalton, Neils Bohr, JJ Thomson, Democritus, & Ernest Rutherford

Who was the first contributor to the atomic theory?

• John Dalton

• Ernest Rutherford

• JJ Thompson

• Democritus

• Neils Bohr

Democritus believed that the smallest particles, were atomos, the Greek word for 

• small
• uncut or indivisible
• basic

the smallest particle of an element that retains the chemical properties of that element

• ion
• isotope
• atom
• element

Tags

NGSS.HS-PS1-7