Element X has a total of 19 electrons and can react with ...
Element X has a total of 19 electrons and can react with oxygen to form an oxide. Which of the following statements is NOT true of the oxide of the element?
When exposed to air, it slowy changes to liquid
its solution in water conducts electricity
Its solution in water, on evaporationm gives a white solid
Its solution in water liberates hydroge when in contact with aluminium metal
Its oxide, when stronlgy heated, regenerates the elements X
Correct answer is A
No explanation has been provided for this answer.
Which of the following solutions containing one mole per dm3 of the compound would have the low...
What is the chemical symbol for Sodium? ...
The volume occupied by 1.58g of a gas at S.T.P is 500cm3. What is the relative molecular m...
In electrovalency, the oxidation number of the participating metal is always ...
In the diagram above, X is the ...
consider the reaction represented by the following equation: 2SO2 + O2 ⇌ 2SO\...
Which of the following is TRUE of Le Chatelier's Principle for an exothermic reaction? ...
Which of the following statements about an exothermic reaction is correct? ...