Show:
Atoms and Compounds
Energy and Matter
Properties of Water
Solutions
Acids, Bases, & pH
100
An atom is the smallest unit of matter.
What is an atom?
100
Matter is anything that has mass and takes up space.
What is the definition of matter?
100
H20 (2 hydrogen atoms and one oxygen atom)
What is the formula of the molecule water?
100
A solution is a mixture that contains water.
What is a solution and what does it contain?
100
The pH of pure water is 7.
What is the pH of pure water?
200
The 3 parts of an atom are protons, neutrons, and electrons.
What are the 3 parts of an atom?
200
Energy cannot be created or destroyed, the Law of Conservation of Energy tells us this.
Can energy be created or destroyed? and how do you know?
200
Waters net charge is 0.
What is waters net charge?
200
The solute is the substance being dissolved and the solvent is what the substance is dissolved in.
What is the substance and what is being dissolved in the solution?
200
The pH levels below 7 equal acids, while the ones above 7 equal bases.
What pH levels equal bases and acids?
300
A compound is two or more elements combined, a mixture.
What is a compound?
300
The 4 types of energy that we mostly use is Chemical, Mechanical, Thermal, and Electrical.
What are the 4 types of energy that we mostly use?
300
Waters boiling point is 100 degrees Celsius and its freezing point is 0 degrees Celsius.
What are waters boiling point and freezing point?
300
Water acts as a universal solvent.
What acts as a "universal solvent"?
300
The pH scale measures the concentration of positive hydrogen ions.
What does the pH scale actually measure?
400
The most important part of an atom is the electrons because they give the atom its properties.
What is the most important part of an atom?
400
Mass is the quantity of water while weight is gravity pulling it down.
What is the difference between mass and weight?
400
Water is considered a polar molecule because the oxygen end acts negatively charged and the hydrogen acts positively charged.
Why is water called a polar molecule?
400
A suspension is formed when substances don't dissolve but separate into tiny pieces.
How is suspension formed?
400
The change in concentration on the pH scale is 10x.
What is the change in concentration on the pH scale?
500
The two different types of atomic bonds are covalent and ionic.
What are the two different types of atomic bonds?
500
The 3 types of matter are solid, liquid, and gas.
What are the 3 types of matter?
500
The 5 properties of water are cohesion, adhesion, high specific heat, high heat of vaporization, and less dense as a solid.
What are the 5 properties of water?
500
Water keeps particles suspended.
What keeps particles suspended?
500
A buffer is when weak acids or bases react with strong acids or bases to prevent sharp, sudden changes in pH.
What is a buffer?