Chemistry Fall Final Exam Review

Front

What type of chemical reaction is represented by the equation CUO + CO₂ → CuCO₃?

Back

Synthesis: A reaction where two or more substances combine to form a new compound.

Front

Which experiment was used to discover the charge and mass of an electron?

Back

Oil Drop Experiment: Conducted by Robert Millikan, it measured the charge of the electron.

Front

What element is represented by the electron configuration [Xe]6s²4f¹⁴5d⁸?

Back

Platinum: A transition metal with atomic number 78.

Front

What type of bond is present in silver bromide?

Back

Ionic Bond: A chemical bond formed between two ions with opposite charges.

Front

Which element has the greatest ionization energy among Potassium, Calcium, Iron, and Selenium?

Back

Selenium: It has a higher ionization energy due to its position in the periodic table.

Front

Define ionization energy.

Back

Ionization Energy: The energy required to remove an electron from an atom in its gaseous state.

Front

What is a decomposition reaction?

Back

Decomposition Reaction: A type of reaction where a single compound breaks down into two or more simpler products.

Front

What is the significance of the Gold Foil Experiment?

Back

Gold Foil Experiment: Demonstrated that atoms have a small, dense nucleus, leading to the discovery of the atomic structure.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons between atoms.

Front

What is the periodic trend for electronegativity?

Back

Electronegativity increases across a period and decreases down a group in the periodic table.