Sodium and chlorine. Sodium catches fire when placed in water. Chlorine was used as a chemical weapon in WWI. Chemically combining them creates table salt, which is still deadly if you eat too much of it. Chronic high salt consumption is linked to high blood pressure and Heart disease.
Compound?
An element is a pure substance, two elements combine to form a compound.
Chemical change
When elements combine chemically compounds are formed. For instance, when hydrogen and oxygen gases chemically combine, water is formed. Note that if a molecule is made up of only one element, it is referred to as an element, not a compound.
how reactive is radon and will it combine with other elements
compounds
Compound?
An element is a pure substance, two elements combine to form a compound.
such as when sodium and chlorine combine, they form salt which is obviously harmless
A compound.
compound
a chemical bond
No. It is a compound because it is composed of two different elements.
when two or more elements combine chemically, you end up with a compound.
Two different elements combine chemically to form a compound.
Many chemical elements combine with oxygen; the reaction with oxygen is called oxydation.
a compound