C1 revision atoms

What is the center of an atom called?

• Shells

• Nucleus

• Orbital

• Cell

Which subatomic particles are found in the nucleus?

• Electrons and Protons

• Electrons only

• Protons and Neutrons

• Neutrons only

Where in an atom are the electrons found?

• Shells

• Nucleus

• Cell

• Hemisphere

How many electrons can go in the first shell of an atom?

• 1

• 2

• 4

• 8

What is the maximum number of electrons that can be found in the 2nd shell of an atom?

• 2

• 4

• 8

• 10

Which subatomic particle was discovered first (1904 JJ Thomson)?

• Proton

• Neutron

• Electron

• Nucleus

Which subatomic particle was discovered most recently (1932 James Chadwick)?

• Proton

• Neutron

• Electron

• Nucleus

What was the name of JJ Thomson's atomic model?

• Solid sphere model

• Plum pudding model

• Nuclear model

• Planetary model

What did Niels Bohr discover?

• Electrons orbit the nucleus at fixed distances

• The nucleus has a positive charge overall

• Neutrons have a neutral charge

• Electrons move in waves

What experiment disproved the plum puddling model and helped to form ideas for the nuclear model?

• Electromagnetic radiation

• Cathode ray tubes

• Alpha particle scattering (gold foil)

• Neutrino