Reactions
When two molecules reform into two different molecules this is called what?
A chemical reaction
What does pH measure?
How acid or basic something is.
When a juice has more water and less juice it is considered to be what?
Dilute
What are the two main types of bonds?
Covalent and ionic
What is an atom?
The basic unit of matter
During a chemical reaction there are reactants and products. What are products?
Products are the molecules after a chemical reaction takes place. Reactants are the molecules that are present before the chemical reaction.
What are the numbers used in the pH scale?
0-14
What is a solvent?
What type of bond forms between two nonmetals?
Covalent
What is a molecule?
Two or more atoms bonded together
During a chemical reaction, different amounts of molecules will be rearranged. What is always conserved?
The number of atoms
What substance usually has a neutral pH?
Water at a pH of 7
What is the different between a mixture and a solution?
A solution is a type of mixture that is evenly distributed.
In ionic bonds are electrons shared or donated?
Donated
What are three subatomic particles (what are atoms made of?)
Protons, neutrons, and electrons
If the reactants for the chemical equation has 8 atoms of oxygen. How many atoms of oxygen will be part of the products?
8
Anything less than 7
What three factors impact solubility?
temperature, pressure, characteristics of the molecules
What is the subatomic particle that determines how an atom will bond?
Valence electron
Which subatomic particles have a charge?
Protons and electrons
What is a balanced equation?
What does pH measure at a molecular level?
The number of hydrogen ions
When sugar water has as much sugar as it can hold before crystals form this is called what?
Saturation point or saturated
What type of bond is CO2?
Covalent