Year 10 - Science - discovery of the nucleus

Year 10 - Science - discovery of the nucleus

Multiple Choice

Which of the following is/are conclusions based on Rutherford’s gold foil experiment?

• Atom is mostly empty space

• The nucleus is positively charged

• The atom has a small dense nucleus

• All answers are correct

Multiple Choice

In Dalton's Atomic Theory, all elements consist of __________ that cannot be divided.

• Atoms
• Parts
• Molecules
• Hydrogen

Multiple Choice

What is the center of an atom called?

• nucleus

• electron cloud

• proton center

• photon center

Multiple Choice

What is a particle with one positive charge called?

• proton

• electron

• neutron

• quark

Multiple Choice

What is a particle with one negative charge called?

• electron

• proton

• quark

• neutron

Multiple Choice

Which scientist discovered the electrons?

• Dalton

• Thomson

• Atristotle

• Bohr