Praxis II Exam Part 4

It is a pressure chamber used to carry out industrial processes requiring elevated temperature and pressure different from ambient air pressure.

Many laboratories contain significant risks, and preventing laboratory accidents requires great care and constant vigilance.

Dangerous goods or hazardous goods are solids, liquids, or gases that can harm people, other living organisms, property, or the environment

A biological specimen is a biological laboratory specimen held by a biorepository for research.

Is an agency of the United States Department of Labor

Is any substance, radionuclide, or radiation that is an agent directly involved in causing cancer

Material safety data sheet , or product safety data sheet is an important component of product stewardship, occupational safety and health, and spill-handling procedures

Refers to the accumulation of substances, such as pesticides, or other chemicals in an organism

In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set

Is a lasting attraction between atoms that enables the formation of chemical compounds

Is the net movement of molecules or atoms from a region of high concentration to a region of low concentration

Is a type of chemical bond that involves the electrostatic attraction between oppositely charged ions, and is the primary interaction occurring in ionic compounds

Is a substance that dissolves a solute , resulting in a solution

crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material

is the smallest constituent unit of ordinary matter that has the properties of a chemical element

A molecule is an electrically neutral group of two or more atoms held together by chemical bonds

Electromagnetism has, there are two kinds of dipoles: * An electric dipole is a separation of positive and negative charges.

In chemistry and atomic physics, an electron shell, or a principal energy level, may be thought of as an orbit followed by electrons around an atom's nucleus

Is a molecule or ion capable of donating a hydron, or, alternatively, capable of forming a covalent bond with an electron pair

also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms

is a substance that can accept protons or donate a pair of valence electrons to form a bond. Bases can be thought of as the chemical opposite of acids.

is a subatomic particle, symbol p or p+, with a positive electric charge of +1e elementary charge and mass slightly less than that of a neutron

is a subatomic particle, symbol n or n0, with no net electric charge and a mass slightly larger than that of a proton

is a state of a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstance

Is a type of fat in which the fatty acids all have single bonds