Chemistry Revised Crossword Puzzle
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More Chemistry Crossword Puzzles
Organic Compounds: Are they Useful?
Atoms and Bonding Basics
Periodic Table: Families and Periods
Separation of Mixtures
The Periodic Table Elements
QUESTIONS LIST:
- collision theory : the idea that for particles to react they must collide
- enzyme : proteins made by living cells, that acts as biological catalyst
- evaporation : where a liquid turns into gas at a temperature below its boiling points taking place at the surfae of a liquid
- reactant : a starting chemical for a reaction
- colorless : without color/no color
- dissolve : go into solutions
- compound : made of atoms of different elements bonded together
- halogen : group vii
- element : substance containing only one atom
- suspensions : cloudy mixture pf two or more substances that settle on standing
- condensation : the physical change in which a gas turns into a liquid in cooling
- mixture : containing two or more substance that are not chemically combined
- diatomic : its molecules contain 2 atoms joined by a covalent bond
- dilute solution : weak solution
- concentration : tells you how much of one substance is dissolved in another
- density : tells how light or heavy a substance is, using mass/volume
- boiling point : temperature at which a liquid changes to gas
- product : a chemical made in a chemical reaction
- water : chemical formula, h20
- particle : a minute portion of matter
- apparatus : the equipment used for a specific purpose
- atoms : smallest particle of a matter, cannot be break down any further
- ph scale : measure of the concentration of hydrogen or hydroxy l ions in a solution
- catalyst : increase the rate of a reaction and cannot be changed
- rate of reaction : how fast a reaction is
