Composition of Matter
States of Matter
Energy
Water
Solutions
100
A substance that is composed of only one type of atom.
What is an element?
100
All matter is composed of these.
What are atoms?
100
The energy require to start a chemical reaction
What is activation energy?
100
Molecules that do not share electrons equally.
What is polar?
100
The solvent in aqueous solutions.
What is water?
200
An atom that loses electrons.
What is a cation (ion)?
200
The 5th State of Matter.
What is Bose-Einstein Supercondensate?
200
These are the beginning products in a reaction.
What are reactants?
200
The attraction of similar molecules.
What is cohesion?
200
This is the pH of pure water.
What is neutral (7)?
300
This happens when atoms have electrons that move into higher energy levels.
What is gained energy?
300
A change in this is required for a change in state.
What is energy (thermal/kinetic)?
300
This is what happens when a molecule gains electrons.
What is reduction?
300
The breaking of these bonds is the first thing happens when water is heated.
What are hydrogen bonds?
300
These tend to prevent great fluctuations in pH.
What is a buffer?
400
When an atom gains electrons it becomes this.
What is a anion (ion)?
400
This state of matter has a definite shape and definite volume.
What is a solid?
400
New substances that are formed in chemical reactions
What are products?
400
This characteristic allows polar molecules to be dissolved in water.
What is polarity of water molecule?
400
These are in greater concentrations in acids as opposed to bases.
What are hydronium ions (H3O+)?
500
When a molecule gains an electron it has been _____.
What is reduced?
500
This state of matter becomes energized with electricity.
What is plasma?
500
A protein or RNA molecule that speeds up metabolic reactions.
What are enzymes?
500
These form from dissociation of water molecules.
What are hydronium and hydroxide ions?
500
Specifically the ratio of solute to solvent in a solution.
What is concentration?
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