Honors Chemistry First Semester Test (2024-2025)

Front

What happens to electrons with each higher energy level?

Back

Electrons are farther from the nucleus.

Front

What are cations and how do they form?

Back

Cations are metals that form positive ions by losing electrons.

Front

What factors can increase the pressure of a gas system?

Back

Increasing the temperature, pumping in more gas, or decreasing the volume.

Front

What is fission in nuclear reactions?

Back

Fission is a nuclear reaction where a nucleus splits into two smaller nuclei.

Front

What type of bond forms between gold (Au) and silver (Ag)?

Back

A metallic bond.

Front

Define ionic bond.

Back

An ionic bond is formed when one atom transfers electrons to another atom, resulting in oppositely charged ions.

Front

What is the principle of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

Explain the difference between fusion and fission.

Back

Fusion is the process of combining two nuclei to form a heavier nucleus, while fission is the splitting of a nucleus into smaller nuclei.

Front

What is the role of catalysts in chemical reactions?

Back

Catalysts speed up chemical reactions without being consumed in the process.

Front

Define covalent bond.

Back

A covalent bond is formed when two atoms share one or more pairs of electrons.