Fall Final Review

Front

What is Bohr's model of the atom?

Back

Bohr's model of the atom introduces the idea of quantized energy levels, where electrons orbit the nucleus at specific distances corresponding to specific energy levels.

Front

How does the wavelength of a light wave relate to its frequency?

Back

If the wavelength of a light wave is doubled, its frequency is halved, assuming the speed of light remains constant.

Front

Which element has properties most similar to chlorine (Cl)?

Back

Bromine (Br) has properties most similar to chlorine (Cl) because they are both halogens and belong to the same group in the periodic table.

Front

What is the molecular geometry of methane (CH₄)?

Back

The molecular geometry of methane (CH₄) is tetrahedral, with four hydrogen atoms symmetrically arranged around the central carbon atom.

Front

Which element is most likely to form a covalent bond with hydrogen?

Back

Oxygen (O) is most likely to form a covalent bond with hydrogen due to its ability to share electrons.

Front

What is the principle of quantization in Bohr's model?

Back

The principle of quantization states that electrons can only occupy certain allowed energy levels and cannot exist in between these levels.

Front

What is the relationship between frequency and energy of a photon?

Back

The energy of a photon is directly proportional to its frequency; higher frequency means higher energy.

Front

What are isotopes?

Back

Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of the neutron in atomic structure?

Back

Neutrons contribute to the mass of an atom and help stabilize the nucleus by offsetting the repulsive forces between protons.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.