Week 15: Fast & Curious

Front

What is the Law of Conservation of Mass?

Back

Mass is never created or destroyed.

Front

What type of elements appear to the right of the dark zig-zag line on the periodic table?

Back

Non-metals.

Front

What is an open system?

Back

A system which can exchange both matter and energy with the surroundings.

Front

What type of elements can be found clustered around the dark zig-zag line on the periodic table?

Back

Metalloids.

Front

What is a closed system?

Back

A system where only energy can be exchanged but not matter.

Front

Define metals in the context of the periodic table.

Back

Elements that are typically shiny, good conductors of heat and electricity, and malleable.

Front

What are metalloids?

Back

Elements that have properties of both metals and non-metals.

Front

What is the difference between an open system and a closed system?

Back

An open system exchanges both matter and energy, while a closed system exchanges only energy.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What happens to mass during a chemical reaction?

Back

The total mass of the reactants equals the total mass of the products.