Chemistry
Chemistry 2
Common chemical products
Solutions, Suspensions, & Emulsions
Chemical Safety
100

All matter is made up of ___________.

chemicals

100

____ is any substance that occupies space and has mass (weight).

  Matter 



100

_____ evaporate easily and come in many types from free-flowing liquids to hard, waxy solids.


  Volatile alcohols 



100

________ are not capable of being mixed together to form stable solutions.

  Immiscible liquids 



100

A liquid that is ____________ is easy to ignite and has a flashpoint below 100 degrees Fahrenheit.

  flammable 



200

_______ is the separation of an atom or molecule into positive and negative ions.

Ionization

200

_____ are the basic unit of matter with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits.

Atoms

200

______ is a sweet, colorless, oily substance used as a solvent and as a moisturizer.

Glycerin

200

A ____________ is the substance that dissolves the solute and makes the solution.

solvent

200

How long can a properly formulated emulsion be stored under ideal conditions and in what timeframe is it recommended to use these products?

  3 years, 1 year 



300

A____________ change is a change in the composition or makeup of a substance usually by combining or subtraciting certain elements.

chemical

300

____ are subatomic particles with a no charge.

Neutrons

300

___ are a special type of oil used in hair conditioners, water-resistant lubricants, and nail polish dryers. They are less greasy than other oils and form a breathable film.

Silicones

300

A/an_____________ is an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier.

  Emulsion 



300

A _____________ is a substance may cause cancer but not always.

  mutagen 



400

A(n) ____________ is an atom or molecule that carries an electrical charge.

ion

400

A(n) ________ is an ion with a positive electrical charge.


cation

400

___ is a colorless gas composed hydrogen and nitrogen that has a pungent odor. It is used to raise the pH in hair products.

  Ammonia 



400

The head of a surfactant molecule is ________________.

  hydrophilic 



400

The SDS category of "Accidental Release Measures" provides what?

instruction for proper cleanup of a spill, protective equipment needed, and emergency measures to follow

500

A(n) ________ is an ion with a negative electrical charge.

anion

500

The tail of a surfactant molecule is __________________.

lipophilic

500

______ are used to neutralize acids or raise the pH of many hair products. They are often used in place of ammonia.

  Alkanolamines 



500

A ____________ is a chemical combination of matter in definite (fixed) proportions.

pure substance 



500

The ability to rust, burn or change color are examples of which type of properties?

chemical