Atoms and the Periodic Table

Who found that atoms have small negative charged particles called electrons?

• Dalton

• Thomson

• Rutherford

• Chadwick

• Bohr

Who was a Russian scientist that created the periodic table according to atomic mass and properties of the elements?

• Bohr

• Thomson

• Rutherford

• Mendeleev

Who stated that elements are tiny particles called atoms and that all atoms of a given element are identical?

• Thomson

• Bohr

• Rutherford

• Chadwick

• Dalton

Who discovered neutrons in the nucleus?

• Thomson

• Bohr

• Rutherford

• Chadwick

• Dalton

Who discovered that atoms have shells/levels surrounding the nucleus where electrons are found?

• Thomson

• Bohr

• Rutherford

• Chadwick

• Dalton

Who discovered atoms have a small, dense, center he named the nucleus?

• Thomson

• Bohr

• Rutherford

• Chadwick

• Dalton

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

Which subatomic particle has no charge?

• Proton

• Neutron

• Electron

Which subatomic particle has a positive charge?

• Proton

• Neutron

• Electron

Group _____ on the periodic table is noble gases.