- Question of
Phosphorus is the second most abundant mineral in the human body.
- True
- False
- Question of
In 1783, John Dalton named the chemical element we know as hydrogen.
- True
- False
- Question of
Cobalt has been used to colour glass since the Bronze Age.
- True
- False
- Question of
Nickel was discovered by Swedish chemist George Brandt.
- True
- False
- Question of
The Cuerie temperature or Curie point is the temperature above which a ferromagnetic body loses its magnetism.
- True
- False
- Question of
Sodium is the most abundant alkali metal in the earth’s crust.
- True
- False
- Question of
Lithium burns with a violet flame.
- True
- False
- Question of
Solid potassium reacts violently with water.
- True
- False
- Question of
Francium was formerly known as eka-cesium and actinium K.
- True
- False
- Question of
Cadmium is one of the few metals that can be found in nature without combining with other elements.
- True
- False
- Question of
The name of the chemical element vanadium comes from the goddess of beauty Vanadis in Scandinavian mythology.
- True
- False
- Question of
The Earth’s core consists mainly of iron and nickel in metallic form.
- True
- False
- Question of
Tantalum can be used for the manufacture of surgical instruments and in implants.
- True
- False
- Question of
Bromine is the least reactive and electronegative halogen.
- True
- False
- Question of
Lead is rarely found in its elemental state.
- True
- False
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