Physical Science atomic theory

Which scientist developed the atomic theory?

• JJ Thomson
• Ernest Rutherford
• John Dalton
• James Chadwick

James Chadwick discovered the ________.

• proton
• neutron
• electron
• nucleus

What did Thomson discover?

• electron
• proton
• neutron
• electron cloud

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Tags

NGSS.HS-PS1-8

What subatomic particle(s) are found in the nucleus?

• protons and electrons

• protons only

• protons and neutrons

• neutrons and electrons

Who developed the solid-sphere model of the atom?

• JJ Thomson

• Ernest Rutherford

• Neils Bohr

• John Dalton

Who developed an atomic model that had electrons jumping between energy levels?

• JJ Thomson

• Ernest Rutherford

• Neils Bohr

• Heisenberg and Schrodinger

Which subatomic particle has a positive charge and is found inside the nucleus?

• Electron

• Proton

• Neutron

• Nucleus

What subatomic particle has a negative charge and is found outside of the nucleus?

• Electron

• Proton

• Nucleus

• Neutron

Which subatomic particle has a neutral charge and is found inside the nucleus?

• Electrons

• Protons

• Neutrons

• Nucleus