Elements and Compounds
Is table salt an element, mixture or compound?
Salt (NaCl) is a compound.
This means they are combined in a fixed proportion.
Bending a metal rod is an example of this type of change.
This is a physical change.
These are the three states of matter.
Solid, Liquid, & Gas
Coffee is this type of mixture.
Coffee is a homogenous mixture as everything is completely dissolved.
These are substances that cannot be broken down into simpler substances by chemical or physical means.
This is an elements.
Compounds can be broken down into elements through chemical means (H2O -> H2 + O2)
Bread dough rising is an example of this change.
This is a physical change. The bread is/was bread and it remains bread. Changing the shape of a substance does not make it a chemical change.
Changes in shape, size and color is an example of this type of change.
These describe a physical change.
These are the two types of pure substances.
Elements and compounds.
The prefix word hetero- means this.
Different
This is a chemical combination of two or more elements in a fixed proportion.
This is the definition of a compound.
Water freezing into ice is an example of this type of change.
This is a physical change. Changing the state (Phase) of matter is a physical change.
These are tiny particles that make up matter.
(Hint, they are indivisible)
What are atoms.
This type of mixture has the same properties throughout.
A Homogenous mixture.
Filtration and distillation can be used to separate these.
Mixtures.
All mixtures can be seperated using physical means.
This element is represented by the symbol Fe.
This is the element symbol for iron.
When you burn a candle, you see this type of change.
This is a chemical change. Combustion (Burning) is a chemical change. The candle is converted into CO2 + H2O. New compounds are formed (Production of smoke, a gas)
This property describes a substance's ability to change or react and become a different substance.
How a substance reacts is a chemical property.
Chicken noodle soup is this kind of mixture.
A heterogeneous mixture.
This is the grade I am going to get on this test.
IDK but I am sure I deserve it
What do we call something that contains two or more substances and can be made with varying proportions.
This defines a mixtures
This can be then classified as a homogeneous or a heterogeneous
In chemical reactions, reactants form these.
Reactants are the ingredients, and create a product as a result of a chemical reactions.
Think of eggs+milk+flour+sugar+cheese -> Cheesecake
Sugar would classify as this type of matter
Sugar (Glucose ~ C6H12O6) is a compound.
A solution is also a homogeneous mixture.
True or False?
A solution describes mixtures where everything is COMPLETELY dissolved and mixed well.
This is a homogeneous mixture (TRUE)
What is the exact date Mrs. Walsh became Mrs. Walsh
The 28th of August 2026