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a zigzag, stepped line on the periodic table that separates the metals from the non-metals.
a method of determining the concentration of an acid or base by neutralising it with a base or...
a chemical formula that gives the exact number of different atoms in a molecule .
electrochemical cells. Electricity is produced from chemical reactions in the cell.
6,02 x 1023 particles or objects. Also known as the number of particles in one mole...