Physical Science - Advanced Chemistry Review

Front

What is half-life?

Back

The time required for half of the radioactive atoms in a sample to decay.

Front

What occurs in an ionic bond?

Back

Electrons are transferred from one atom to another.

Front

What occurs in a covalent bond?

Back

Electrons are shared between atoms.

Front

What type of chemical reaction is fission?

Back

Decomposition reaction, where a larger nucleus splits into smaller nuclei.

Front

Where are protons located in an atom?

Back

In the nucleus of the atom.

Front

What happens to temperature during the phase change of melting?

Back

The temperature remains the same.

Front

What is the definition of an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance, while a chemical change alters its chemical composition.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an example of a synthesis reaction?

Back

When two or more reactants combine to form a single product, such as A + B → AB.