Chemistry Revision Crossword Puzzle

QUESTIONS LIST:

• crystallization : separating soluble solid from a solvent
• atomic : _ number is the total number of protons in the element
• chromatography : separating substances in a mixture
• proton : positively charged subatomic particle
• isotope : atoms of the same element with different numbers of neutrons.
• dalton : the surname of the scientist who realised that atoms could not be divided or split
• element : something made of only one type of atom
• electron : negatively charged subatomic particle.
• thomson : the surname of the scientist who developed the plum pudding model
• distillation : separating solvent from soluble solids dissolved in the solvent
• compound : chemically bound substances that contain more than one element.
• filtration : separating insoluble substances in a solvent
• aqueous : a substance dissolved in water
• mass : _ number is the total number of protons and neutrons in an atom