The REAL 8th grade science final

Front

What is a sea breeze?

Back

A sea breeze occurs when cool air over water moves toward warm air over land.

Front

What type of reaction is represented by the equation NaCl -> Na + Cl2?

Back

Decomposition reaction.

Front

What is an ion?

Back

An ion is an atom that has gained or lost electrons.

Front

What type of element is Tungsten (W)?

Back

Tungsten (W) is a Transition Metal.

Front

What type of element is Bromine (Br)?

Back

Bromine (Br) is a Halogen.

Front

What is the definition of a decomposition reaction?

Back

A decomposition reaction is a chemical reaction where one compound breaks down into two or more simpler products.

Front

What are the characteristics of transition metals?

Back

Transition metals are elements that have partially filled d orbitals and are known for their ability to form various oxidation states.

Front

What is the significance of electrons in an atom?

Back

Electrons determine the chemical properties of an atom and its ability to bond with other atoms.

Front

What is the difference between an alkali metal and an alkaline earth metal?

Back

Alkali metals are in Group 1 of the periodic table and have one electron in their outer shell, while alkaline earth metals are in Group 2 and have two outer shell electrons.

Front

What are halogens?

Back

Halogens are a group of elements in Group 17 of the periodic table known for being highly reactive nonmetals.