because they were actually gas that always brittle""""""!
Monatomic
Its a mixture
A mixture.
atoms! also, you can say that all substances have physical and chemical properties.
The sulfate ion (SO42-) is the polyatomic ion
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