SCIENCE
CHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Compounds
|
|
Mixtures
|
|
Elements
|
|
Photosynthesis
|
Detailed explanation-1: -An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.
Detailed explanation-2: -Something is a pure substance if it has identical physical and chemical properties to all other examples of the same substance if it is made of only one type of atom (elements), one type of molecule (covalently bonded matter), or one type of compound (ionically bonded matter).
Detailed explanation-3: -Pure substances are substances that are made up of only one kind of particle and have a fixed or constant structure. Pure substances are further classified as elements and compounds. An element is a substance that consists of only one type or kind of atom.
Detailed explanation-4: -When we speak of a pure substance, we are speaking of something that contains only one kind of matter. This can either be one single element or one single compound, but every sample of this substance that you examine must contain exactly the same thing with a fixed, definite set of properties.
Detailed explanation-5: -Elements are pure substances since it contains only one kind of atom. Every element has its unique properties. Atoms of the same element have the same physical and chemical properties. Atoms of different elements have different physical and chemical properties.