Yes.
no
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.
The simplest substance that you can obtain by ordinary means is an element.An element is a substance than cannot be separated or broken down into simpler substances by chemical means.
You can break down a mixture by physical means
an element is a substance that cannot be broken down into a simpler form by chemical means
An element is a pure substance that can not be broken down by chemical means into other substances. A compound is a pure substance that cannot be broken down by physical means but it can be broken down by chemical means.
yes, they can only be broken down by chemical means
yes, they can only be broken down by chemical means
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.
no
Compounds are made up of 2 or more elements.Compounds can be broken down into simpler substances by chemical means, but elements cannot.Compounds are made up of 2 or more elements. Compounds can be broken down into simpler substances by chemical means, but elements cannot.
The simplest substance that you can obtain by ordinary means is an element.An element is a substance than cannot be separated or broken down into simpler substances by chemical means.
Helium is an element, meaning that it can't be broken down by chemical means. It is pure helium. Anything on the Period Table of Elements can't be broken down further by chemical means.
You can break down a mixture by physical means
Compounds are made up of 2 or more elements. Compounds can be broken down into simpler substances by chemical means, but elements cannot.
This is called molecule.
an element is a substance that cannot be broken down into a simpler form by chemical means
Elements are made up of only one thing. While a compound is made of two of more elements. Here is an example. H2O. Water is hydrogen and oxygen.