Category 1
The term used to identify anything that occupies space and has weight is called?
Matter
There are 118 known elements; those above which element are synthetic?
The 92nd
Solutions that are acidic or alkaline in value can be dissolved in and/or contain.....?
Water
On the pH scale, numbers less than 7 indicate what?
An acidic solution
What is a mixture of fats and oils converted to fatty acids by heat and the purified?
Soaps
Water freezing and becoming ice is an example of what type of change?
Physical
What is the most abundant element in the universe?
Hydrogen
What is the primary material the body uses to construct and renew itself?
Proteins
Most skincare products used by esthiticians and clients are what?
Mixtures
What is formed when 2 or more non-mixable substances are united with the help of a binder?
Emulsion
Basic substances that can't be broken down into simpler substances are called what?
Elements
What is the simplest atomic structure?
Hydrogen
What is created when amino acids join together in chains?
Proteins
What is a negatively charged ion called?
Anion
The non polar end of an emulsifier which loves oil and hates water is known as what?
Lipophilic
Neutrons have what type of electrical charge?
NONE
The atomic number of a particular element indicates what?
The number of protons in a single atom
What are the 3 major biochemical compound groups in the body?
Proteins, carbohydrates and lipids
A substance that is able to dissolve another substance is called a what?
Solvent
Which type of toner has the lowest percentage of alcohol?
Freshner
Two or more atoms joined together by a chemical bond is a what?
Molecule
What is it called when a substance loses an electron and oxygen is aquired?
Oxidation
A bond uniting two amino acid groups that create proteins are....?
Peptide bonds
Mixtures of 2 or more kinds of molecules, having a tendency to separate when left standing, are known as...?
Suspensions
What is the #1 cause of skin cancer and premature aging
Sun exposure