Metal Mayhem!
Gettin' Acidic with the pHreaks
Rap Battle of the Atoms!
Mix it Up!
Wonders of Water
100
This group of elements can conduct electricity, but not as well as metals.
What are metalloids?
100
A pH of 7 is considered this on the pH scale.
What is neutral?
100
In the formula H₂O, this number indicates how many hydrogen atoms are present.
What is 2?
100
Saltwater is an example of this type of mixture, where the components are evenly distributed.
What is a homogeneous mixture?
100
This property causes water molecules to stick to each other.
What is cohesion?
200
This nonmetal is essential for human respiration and makes up about 21% of Earth's atmosphere.
What is oxygen?
200
Lemon juice, with a pH around 2, is classified as this.
What is an acid?
200
In a chemical reaction, the substances you start with are called these. Before the arrow of a chemical equation.
What are reactants?
200
A salad with various ingredients is an example of this type of mixture.
What is a heterogeneous mixture?
200
This property allows water molecules to stick to other substances, like glass.
What is adhesion?
300
Copper is commonly used in electrical wiring because it has this characteristic of metals.
What is high electrical conductivity
300
Substances with a pH higher than 7 are considered this.
What are bases (alkaline)?
300
A chemical equation must be balanced to obey this law, stating matter cannot be created or destroyed.
What is the Law of Conservation of Mass?
300
This is a substance made of two or more elements chemically bonded together.
What is a compound?
300
This property creates a "skin" on the surface of water, allowing small insects to walk on it.
What is surface tension?
400
This group of elements is generally shiny, malleable, and good conductors of heat and electricity.
What are metals?
400
If a solution has a pH of 13, it is classified as this.
What is a strong base?
400
In the formula 2C₆H₁₂O₆, how many oxygen atoms are present?
What is 12?
400
This type of pure substance consists of only one kind of atom.
What is an element?
400
This is the reason why water droplets form beads on a waxy surface.
What is cohesion?
500
Silicon is commonly used in computer chips due to its semi-conductive properties. What is its classification?
What is a metalloid?
500
This type of paper is commonly used to measure pH.
What is litmus paper? Will also accept 'What is pH paper?' for half credit.
500
In the formula 3Ca(OH3)2 how many hydrogen atoms are present?
What is 18?
500
Air, a mixture of nitrogen, oxygen, and other gases, is an example of this kind of mixture.
What is a homogeneous mixture?
500
Capillary action, which allows plants to draw water from roots to leaves, is caused by a combination of these two properties.
What are adhesion and cohesion?