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Question
Define Alchemy.
Solution
Alchemy was a form of chemistry studied in the middle age, which was concerned with trying to discover ways to change ordinary metals into gold.
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RELATED QUESTIONS
State whether the following statement is true or false:
The symbol of element cobalt is CO.
Name the element used as a standard for atomic mass scale.
If the symbol for Cobalt, Co, were written as CO, what would be wrong with it?
Match the metallic elements – with their correct symbols Metallic elements
| Metallic elements | Symbol |
| (a) Potassium | (1) Ca |
| (b) Sodium | (2) Zn |
| (c) Calcium | (3) Pb |
| (d) Magnesium | (4) Hg |
| (e) Zinc | (5) Cu |
| (f) Aluminum | (6) Au |
| (g) Iron | (7) K |
| (h) Lead | (8) Fe |
| (i) Copper | (9) Al |
| (j) Mercury | (10) Na |
| (k) Silver | (11) Mg |
| (l) Platinum | (12) Pt |
| (m) Gold | (13) Ag |
State the type of element for the following:
potassium
Give the symbol of the following element:
Xenon
Give the symbol of the following element:
Sulphite
Write the chemical formula of the following:
aluminium chloride
Give the formula of the following gas:
Hydrogen chloride
Antimony has the highest tensile strength.
