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en.wikipedia.org/wiki/List_of_elements_by_density

This is a list of the 118 chemical elements which have been identified as of 2019. A chemical element, often simply called an element, is a species of atoms which all have the same number of protons in their atomic nuclei (i.e., the same atomic number, or Z).. A popular visualization of all 118 elements is the periodic table of the elements, a convenient tabular arrangement of the elements by ...

www.answers.com/Q/Which_element_is_flammable

Carbon, nitrogen and hydrogen are flammable elements in the periodic table. Phosphorus is also very flammable. You find phosphorus on the head of a match.

sciencing.com/list-flammable-gases-8522611.html

Oxidizers, such as oxygen and chlorine, are not flammable on their own but will act as an oxidant and aid combustion. Inert gases are not combustible at all, and are sometimes used in fire suppression systems. Carbon dioxide and helium are examples of inert gases. Flammable gases can be explosive when mixed with air in the right proportions.

www.planetdeadly.com/nature/10-dangerous-chemical-elements

The thirty or so heaviest elements are all radioactive to some degree. Generally, the heavier the more radioactive. Listing those wouldn’t make for a very interesting top 10 deadliest elements so I’ve skipped a bunch of these and gone for the most exciting dangerous chemical elements. 10. Chromium (Cr)

answersdrive.com/what-elements-on-the-periodic-table-are-flammable-642563

10 Most Dangerous Chemical ElementsChromium (Cr) photo: Atoma. Mention chromium and most people are thinking shiny car parts. Hydrogen (H) Hydrogen. The smallest and most abundant of all the elements, Hydrogen might not seem like the most obvious choice. Lead (Pb) Lead. Beryllium (Be) Beryllium. Fluorine (F) Fluorine.

metals.comparenature.com/en/flammable-metals/style-88

Want to know more about Flammable Metals and their properties? Flammable metals have ability to burn or ignite, causing fire or combustion. Metals like Iridium, Zirconium, Yttrium, Gadolinium, Neodymium shows flammability property. According to the study of chemical elements, all elements are mainly classified into three main types, i.e. metals ...

www.gasdetection.com/.../information-tables-flammable-combustible-compounds

Flammable chemicals will generate sufficient vapors at temperatures below 100°F (37.8°C). Material Safety Data Sheets may also list a chemical’s auto-ignition temperature , which is the lowest temperature at which there is enough heat energy to ignite vapors spontaneously.

www.thoughtco.com/most-flammable-chemical-607315

Although hydrogen is the most flammable element, the most flammable chemical probably is chlorine trifluoride, ClF 3.This is a colorless, toxic, corrosive gas or pale greenish-yellow liquid that is so reactive that it initiates combustion of just about any material you can name, and it doesn't even require an ignition source to get the fire started!

www.reference.com/science/examples-combustible-materials-8872caf5ef57a1bf

Some combustible materials include fuel oil, paint, kerosene, paints, cesium, magnesium, aluminum powder, calcium, sawdust, plastic dust, coal, flour and powdered metal. Combustible liquids are different from flammable liquids in that flammable liquids have flash points below 100 degrees Fahrenheit and combustible liquids have flash points ...

www.thoughtco.com/metals-list-606655

The basic metals display the characteristics people generally associate with the term "metal." They conduct heat and electricity, have a metallic luster, and tend to be dense, malleable, and ductile. However, some of these elements display nonmetallic characteristics.