Advertisements
Advertisements
प्रश्न
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
Advertisements
उत्तर
Metal atoms tend to have a maximum of 3 electrons in the outermost shell.
संबंधित प्रश्न
Give reasons for the following.
Sodium and potassium are stored in kerosene.
What is meant by 22 carat gold?
What is an alloy?
Mention two uses of the following metals and non-metals
Gold
State two important uses of following metal
Uses of mercury
Write name.
Molecular formula of the common ore of aluminium.
Write name.
The device used for grinding an ore.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
With reference to the following metals state their use in daily life metal:
Lead
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
