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CROSSWORD (TOTB) DECEMBER 2024

Horizontales
Carbon dioxide turns lime water...
These have the same number of protons but a different number of neutrons
A large group of metals in the middle of the periodic table
Very unreactive gases
A metal element that is a liquid
A reaction that takes in heat
This gas gives out a squeaky pop when exposed to a lit splint
A solution where no more solute will dissolve in a solvent
Part of the fire triangle alongside heat and fuel
This element has 14 electrons
Verticales
This element has the electron arrangement 2,8,8
Coal, oil and natural gas are what types of fuel?
Heavy hydrogen
The relative atomic mass of an element is an average value based on the natural isotopic what?
A method for separating insoluble salts from a mixture
The name for positive particles in an atom
A non-metal element that is a liquid
A little bit can speed up a reaction
The most reactive non-metals
Very reactive metals in group 1