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

Front

What are the three R values used in gas law calculations?

Back

0.0821, 62.4, and 8.314.

Front

How do you determine which R value to use in a problem?

Back

By the units for pressure.

Front

What does it mean for two elements to be isoelectric?

Back

They have the same electron configuration.

Front

Which element is nitrogen isoelectric with when it forms an ion?

Back

Neon.

Front

What are anions?

Back

Negatively charged ions formed by nonmetals that gain electrons.

Front

What are the units for molar mass?

Back

grams/mole.

Front

Which is larger: P or P^-3?

Back

P^-3 is larger.

Front

What happens to the size of an atom when it gains electrons?

Back

It becomes larger.

Front

What is the charge of an anion?

Back

Negative.

Front

What is the charge of a cation?

Back

Positive.