--------- and -------- are pure substance
Answers
Answer:
Compounds and Elements are pure substances.
Explanation:
Here's a little help for understanding pure substances compounds and elements:
A pure substance is made up of only one kind of particles.
Particles are made of atoms and molecules.
Pure substances which is made up of only one kind of atoms is called an ELEMENT.
Pure substances which is made up of only one kind of molecules is called a COMPOUND.
Examples of Elements: Hydrogen (H),Oxygen (O),Nitrogen (N),Chlorine (Cl),Bromine (Br),Iodine (I), Carbon(C),Silicon (Si),Sodium (Na),Magnesium (Mg), Aluminium (Al),Iron (Fe),Copper (Cu),Silver (Ag),
Gold (Au) .
Examples of Compounds: Hydrogen(H2O),
Carbon Dioxide(CO2),Hydrogen Chloride (HCl), Ammonia (NH3),Sodium Chloride (NaCl),Sucrose(C12H22O11),Glucose (C6H12O6).
These are my notes so hopefully these wills be informative, helpful and easy to understand as it has been to me!
Hope this Helps:)
Happy Learning!