Review- Honors Chemistry First Semester Test (2024-2025)

Front

What is a cation?

Back

A cation is a positively charged ion.

Front

What type of elements form cations?

Back

Cations are typically formed by metals.

Front

What happens to electrons when metals form cations?

Back

Metals lose electrons to form positive ions.

Front

How do you calculate the number of moles in a substance?

Back

Number of moles = mass (g) / molar mass (g/mol).

Front

What is the molar mass of carbon dioxide (CO2)?

Back

The molar mass of CO2 is approximately 44.01 g/mol.

Front

How many moles are in 100 g of CO2?

Back

2.27 mol.

Front

Which is larger: P or P-3?

Back

P-3 is larger due to the addition of electrons.

Front

What is the stability of atoms when bonded together compared to when they are apart?

Back

Atoms are more stable when they are bonded together.

Front

What is an anion?

Back

An anion is a negatively charged ion.

Front

What type of elements typically form anions?

Back

Anions are typically formed by nonmetals.