Elements are substances that cannot be broken down into any simpler substances. Hence they cannot be broken down by chemical methods. They may change in appearance if physical methods, but chemically, they still remain as the element.
Chloroform is a molecule.
Is a pure substance such as an element. Remember elements can not be broken down further by chemical or physical processes.
A pure substance that cannot be broken down into simpler substances by physical or chemical means is an element. This is because Elements can't be broken down chemically into other substances because there is nothing to break them down into.
chemical compound can be broken down into simplier elements.
I think your referring to an element, the basic unit(s) that cannot be broken down without fission.
All substances can be broken into any other substances (or elements) by chemical or physical methods.
Yes, but only with physical methods.
yes, they can only be broken down by chemical means
elements
compounds CAN be decomposed elements CANTThe answer would be Mercury because it is an element and can't be broken down by chemical means. but methane, ethanol and ammonia can be broken down by physical means because they are compounds.
Chloroform is a molecule.
Elements.
This is the atom of a chemical element, unbreakable by chemical methods.
An element is a substance that cannot be broken into simpler substances by chemical methods, such as Neon or Oxygen.The Periodic Table contain all known chemical elements.
calyx is not an element because it is in powder form, elements cannot be broken down into any simpler substance by chemical methods.
A pure substance that cannot be broken down into simpler substances by physical or chemical means is an element. This is because Elements can't be broken down chemically into other substances because there is nothing to break them down into.
Is a pure substance such as an element. Remember elements can not be broken down further by chemical or physical processes.