One of the 103 known chemical substances that cannot be broken down further without changing its chemical properties. Some examples include arsenic, cadmium, lead and mercury.

The term "element" was found in the following pages:

Instrument database: ISA Jobin Yvon - JY 138 ULTRACE
Instrument database: VG Isotopes - PlasmaQuad (PQ I)
Manganese concentrations in air particulates higher in residential neighborhoods than industrial sites, varies by region | EVISA's News
Material database: National Institute of Standards and Technology (NIST) - SRM 3532 - Calcium-Containing Solid Oral Dosage Form
Directory of scientists: Carlos Bendicho Hernández
Agilent is introducing the second generation of Triple Quadrupole ICP-MS system: The 8900 | EVISA's News
Instrument database: Shimadzu Europe - TNM-1 Total Nitrogen Module
Company database: AHF analysentechnik AG
Material database: International Atomic Energy Agency (IAEA) - IAEA-436A Tuna Fish Flesh Homogenate
Material database: IRMM - Institute for Reference Materials and Measurements - BCR-636 Human Blood
Instrument database: Büchi Labortechnik AG - Digestion Units K-424/K-435
Link database: Chemical Fact Sheet: Zinc
Component database: New Wave Research, Inc. - GLITTER - Data Reduction Software for the Laser Ablation Microprobe
Material database: International Atomic Energy Agency (IAEA) - IAEA-336 Trace and Minor Elements in Lichen
Speciation of Germanium in Environmental Water Reference Materials by Hydride Generation and Cryotrapping in Combination with ICP-MS/MS | EVISA's News
Arsenic species distribution in drinking water wells in the USA with high arsenic concentrations | EVISA's News
What is the use for total element concentrations ? | EVISA's News
Instrument database: Analytik Jena AG - multi N/C® UV HS
Material database: National Institute of Standards and Technology (NIST) - SRM 1635 - Trace Elements in Coal (Subbituminous)
Instrument database: Foss A/S - ILAS 3000