Question

1. define the following terms and then give an example of each term.

a. matter
definition: anything that takes up space and weighed
example:
b. pure substance
definition: substances that are made of 1 kind of particle
example:
c. element
definition:
example:
d. compound
definition:
example:
e. mixture
definition:
example:
f. heterogeneous mixture
definition:
example:
g. homogeneous mixture
definition:
example:

Explanation:

a. Matter: Anything that has mass and takes up space. Example: A book.
b. Pure Substance: A substance with a constant composition. Example: Gold.
c. Element: A substance that cannot be broken down into simpler substances by chemical means. Example: Oxygen.
d. Compound: A pure substance made up of two or more different elements chemically combined. Example: Water (H₂O).
e. Mixture: A combination of two or more substances that are not chemically combined. Example: Sand and water.
f. Heterogeneous mixture: A mixture in which the composition is not uniform. Example: A salad.
g. Homogeneous mixture: A mixture in which the composition is uniform throughout. Example: Salt - water solution.

Answer:

a. Definition: Anything that has mass and takes up space. Example: A book.
b. Definition: A substance with a constant composition. Example: Gold.
c. Definition: A substance that cannot be broken down into simpler substances by chemical means. Example: Oxygen.
d. Definition: A pure substance made up of two or more different elements chemically combined. Example: Water (H₂O).
e. Definition: A combination of two or more substances that are not chemically combined. Example: Sand and water.
f. Definition: A mixture in which the composition is not uniform. Example: A salad.
g. Definition: A mixture in which the composition is uniform throughout. Example: Salt - water solution.