Basics of Chemistry Flashcards
(26 cards)
Organic Chemistry
The study of substances that contain the element carbon.
All things that were once alive (plants and animals) contain____
carbon.
Organic substances that contain hydrogen and carbon can ____
burn.
The bond between carbon and hydrogen is what makes something ____
organic.
Gasoline, motor oil, plastics, synthetic fibers, pesticides, and fertilizers are all ____
organic.
Hair color products, chemical textures, shampoo, conditions, styling aids, nail enhancements, and skin care products are ____
Organic Chemicals
When applied to chemistry, the term “organic” does not mean ____
healthy or natural.
Matter is ___
any substance that occupies space and has mass (weight) .
Everything we know is either made of matter or ___
energy.
Solids, liquids, and gases are the three states of ___
matter.
Matter does not include ____
light and electricity.
Elemental Molecule
A molecule containing two or more atoms of the same element.
Compound Molecules
Chemical combination of two or more atoms of different elements in definite (fixed) proportions.
States of matter all depend on ____
temperature.
Vapors are ____
liquids that have undergone a physical change.
Physical Properties
Characteristics that can be determined without a chemical reaction, and do not involve chemical change in substance.
Chemical Properties
Can only be determined by a chemical reaction, and a chemical change in substances.
Color, solubility, odor, density, melting point, boiling point, hardness, and glossiness are all examples of ____
Physical Properties
Ability of iron to rust, wood to burn, or hair to change color through hair color and hydrogen peroxide are all examples of ____
Chemical Properties
Physical forces cause ____
physical changes.
Chemical reactions cause ____
chemical changes.
Physical Change
A change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance.
Chemical Change
A change in chemical composition or make up of a substance caused by chemical reactions or subtracting certain elements.
A chemical reaction in which oxidation and reduction occur at the same time.
Oxidation Reduction