Chemistry A H Test 4 Review

Front

What are anions?

Back

Anions are negatively charged ions that are formed when nonmetals gain electrons.

Front

Which group of elements has the smallest atomic radius within a period?

Back

Noble Gases (Group 18) have the smallest atomic radius within a period.

Front

Which elements have the most similar chemical properties?

Back

Oxygen (O) and Sulfur (S) have the most similar chemical properties.

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation.

Front

How do you determine the volume of a substance using density?

Back

Volume can be calculated using the formula: Volume = Mass / Density.

Front

What is the density of lead?

Back

The density of lead is 11.3 g/cm³.

Front

What is the volume of 150 grams of lead?

Back

The volume of 150 grams of lead is 13.3 cm³.

Front

What is the significance of the atomic radius in chemistry?

Back

The atomic radius is important as it influences the chemical reactivity and bonding of an element.

Front

What are the characteristics of noble gases?

Back

Noble gases are colorless, odorless, and inert, meaning they do not readily react with other elements.

Front

What is the difference between metals and nonmetals in terms of electron behavior?

Back

Metals tend to lose electrons and form positive ions, while nonmetals tend to gain electrons and form negative ions.