Chapter 7.1

A biologist is a scientist who studies matter,its properties and changes

The science that deals with all matter that is now living or was alive at one time is

A substance gains an electron, and oxygen is released in the process of

A free electron is the name given to an electron in the outermost orbit that is easily moved from its orbit

When positive and negative ions join, they are held together by

Emulsifiers are binding substances used to slow down the destruction of the product

The part of the atom that has no electrical charge is the

The term __________ is used for describing a base

Carbohydrates are used by the body to store energy and play a key role in

Which type of chemistry deals with all matter that was never living and does not contain carbon

Atoms are basic units of matter that cannot be broken down into simpler substances by any chemical reaction

All of the following statements about compounds are true EXCEPT

All of the following statements are true about the ph scale except

The chemical behavior of an atom depends mostly on the

A ___________ is matter with definite weight, but indefinite volume and shape.

The smallest complete units of an element are called

There are 5 common amino acids

A mixture of sebum and sweat combined with lipids, minerals, and moisture form a protective barrier called

What are the basic materials that the body uses to construct and renew itself

All of the following statements regarding aerosols are true except

A ph of 6 is 100 times more acidic than neutral 7; and 6 is 100 times less acidic than 5.

If no trading is taking place and the atoms are sharing the electrons, they are held together by an ionic bond

The study of chemical reactions, such as growth, reproduction, and respiration, that occur in living organisms is called

Chemistry is the scientific study of matter

The unifying concept used to organize elements and their similarities is called

Organic chemistry is the study of the elements in the periodic table,except for the compounds that contain carbon

A mixture of two or more compounds in which each component is evenly dispersed is called

A hard,low level water or anhydrous product applied to the skin by rubbing the product directly onto skin is

All the following statements about carbohydrates are true EXCEPT

This formof matter has a definite wight, volume, and shape

Matter is anything that occupies space

Solvents that easily mix together are called

Which scientific term defines a positively charged substance able to release a hydrogen ion

All of the following satements are true about liquids except

Two or more compounds blended physically is called a

Which substance listed below is compatible with both water and oil

Lotions are liquids, thy have definite weight and volume, but no definite shape.

The study of chemical reactions, such as growth, reproduction and respiration that occur within a living being is

Which of the following is NOT one of the major biochemical compound groups in the body

Electrons have a ____________ charge

Toner is a liquid product that usually contains water and sometimes alcohol as the solvent

Human skin is a solid

The condition under which a solute will no longer dissolve evenly in the solvent is the

The ability to do work to accomplish some change is called

Protons have a ___________ electrical charge

Anything that occupies space is known as

Joining of hydrogen and oxygen to form water is an example of

The air we breathe is matter

You can keep your clients skin in top shape by doing all of the following EXCEPT:

A simple unit of a carbohydrate is called a