Atomic structure assessment

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

• Neutron

• Ion

• Electron

• Proton

The number of electrons in an atom is equal to number of

• Neutrons and protons

• Atom

• Electrons

• Protons only

What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.

• Atom

• Neutron

• Electron

• Ion

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

• Electron

• Neutron

• Proton

• None

What is the problem with the Rutherfords atomic model and how did Neils Bohr fix it?

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Do you think that there is such a thing as a perfect atomic model? Elaborate giving examples learnt in class

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For the atomic shell O (atomic number 5), what is the maximum number of electrons that can be hold? (Tip: check class slide number 11)