Two or more elements that are chemically joined together is a compound, I think.
matter
Compounds are formed when elements of matter are chemically combined.
Compounds are formed when elements of matter are chemically combined.
Compounds are formed when elements of matter are chemically combined.
A compound (a molecule) is formed.
A compound (a molecule) is formed.
The result will have new and different properties.
What does the term "compound" mean? Two or more elements joined together such that the elements have lost their individual identity in favor of a new set of properties.
Its a mixture
Classification is the process of organizing items into categories based on their shared characteristics or properties. In chemistry, matter is classified into elements, compounds, and mixtures. Elements are substances made up of only one type of atom, compounds are substances made up of two or more different atoms chemically bonded together, and mixtures are combinations of different substances that are not chemically bonded.
Molecules are made of more two or more atoms joined together. The atoms can be same or different elements. A single molecule is the smallest piece of matter.
The phases of matter are its physical properties. Salt is made of of elements that have combined chemically. They are sodium and chlorine, that combine to create the compound which is known as table sale.