Semester 1 Exam Review

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, often accompanied by energy changes. Example: Burning of wood.

Front

Which element is most similar to magnesium?

Back

Calcium is most similar to magnesium as they are both in Group 2 of the periodic table and share similar chemical properties.

Front

List the major families on the periodic table.

Back

The major families are: Alkali metals, Alkaline earth metals, Transition metals, Halogens, Noble gases.

Front

What do waves transfer?

Back

Waves transfer energy, not matter.

Front

What is an advantage of using codes in digital transmission?

Back

Improved signal quality and keeping information safe.

Front

Define Alkali metals.

Back

Alkali metals are the elements in Group 1 of the periodic table, known for being highly reactive and having one electron in their outer shell.

Front

Define Alkaline earth metals.

Back

Alkaline earth metals are the elements in Group 2 of the periodic table, characterized by having two electrons in their outer shell and being less reactive than alkali metals.

Front

What are Transition metals?

Back

Transition metals are the elements found in Groups 3-12 of the periodic table, known for their ability to form various oxidation states and colored compounds.

Front

What are Halogens?

Back

Halogens are the elements in Group 7 of the periodic table, known for being highly reactive nonmetals.

Front

What are Noble gases?

Back

Noble gases are the elements in Group 8 of the periodic table, known for their lack of reactivity due to having a full outer electron shell.