Here's Your Sign!
Leaving milk out for several days will produce this sign of a chemical change.
What is Odor?
__ C + __ S8 -> __CS2
What is 4; 1; 4?
A chemical reaction in which two substances combine to produce a single, new product.
What is Synthesis Reaction?
Chemical reaction in which a single substance breaks down into multiple substances.
What is Decomposition reaction?
This part of the periodic table is able to communicate the amount of valence electrons of an atom.
What is Groups / Columns?
Hand warmers are activated when different substance inside them are squished and mixed together, providing this type of evidence for a chemical reaction.
What is change in energy (temperature)?
__ Na + __ O2 -> __ Na2O
What is 4; 1; 2?
The type of chemical reaction demonstrated by the following chemical equation:
2 Mg + 2 HCl -> 2 MgCl + 1 H2
What is Single Displacement?
What is Coefficient?
These are the two parts of a solution.
What is Solute & Solvent?
This visible sign of a chemical reaction is often evident when mixing metals with acids.
What is Bubbling/Fizzing/Vapor?
__ H2O -> __ O2 + __ H2
What is 2; 1; 2?
A chemical reaction in which two ionic compounds swap anions or cations with one another.
What is Double-Displacement?
Matter is neither created nor destroyed, but merely changes form across a chemical reaction.
What is Law of Conservation of Mass?
The type of chemical bond in which two atoms with opposite electrical charges attract and stick together.
What is Ionic bond?
Three different substances are mixed together and chemically react. Two liquids and a gas, which results in two liquids and a solid, providing evidence for this sign of a chemical reaction.
What is Precipitate?
__ N2 + __ H2 -> __ NH3
What is 1; 3; 2?
The type of chemical reaction that is pictured below: __ C6H6 + __ O2 -> __ CO2 + __ H2O
What is Combustion reaction?
A chemical reaction in which one element replaces another element in a compound.
What is Single Displacement?
This is the maximum number of electron pairs that can be found in a covalent bond.
What is three pairs (triple bond)?
When a glow stick is bent it snaps, breaking a capsule that mixes chemicals together creating a glow, providing this sign of a chemical reaction.
What is change in energy?
__ Li + __ H2O -> __ LiOH + __ H2
What is 2; 2; 1?
This type of reaction takes place at many powerplants daily in order to generate electricity from fossil fuels.
What is Combustion reaction?
The primary fuel that reacts with oxygen in a combustion reaction composed of some amount of carbon and hydrogen.
What is Hydrocarbons?
This is the name of an isotope with 6 protons and 6 neutrons in hyphen notation.
What is Carbon-12?