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प्रश्न
State the position of the following in the periodic table:
Alkaline earth metals
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उत्तर
They are placed in the IIA group, the second column on the left of the periodic table.
संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
The atomic number of an element Y is 16.
(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?
(b) Which inert gas is nearest to Y?
Give reasons
Magnesium is used in fire works.
With reference to the following metals state their use in daily life metal:
Aluminium
When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.
Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.
The most abundant element in the universe is ____________.
Which of the following two combinations are correct?
| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
