because they were actually gas that always brittle""""""!
Monatomic
Its a mixture
A mixture.
To identify which of the nine substances are made up of two elements, I would need to know the specific substances you are referring to. However, generally speaking, compounds such as water (H₂O) and carbon dioxide (CO₂) are examples of substances composed of two elements. If you provide the list of substances, I can give a more accurate answer.
atoms! also, you can say that all substances have physical and chemical properties.
a gold ion
The lithosphere is made up of the crust and uppermost brittle mantle.
The lithosphere is made up of the crust and uppermost brittle mantle.
A mixture is a substance made up of two or more pure substances.
there are lots of substances made up of particles, solids, liquids, gas etc.
Glycogen and starch are two substances made from repeating units of glucose.
None. Xenon is an element and so is not made up from any substances.
compound
Almost everything.
Monatomic
All substances on earth are made up of atoms.
yes it is polyatomic ion because it is made up of more than 2 atoms