Advertisements
Advertisements
प्रश्न
Why are Noble gases inert in nature?
Advertisements
उत्तर
Noble gases are inert in nature due to the completely filled subshells and thus have stable electronic structures which is very difficult to change. The elements Helium, Neon, Argon, Krypton, Xenon and Radon of group 18 in the periodic table are Noble gases.
APPEARS IN
संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Give reason
Argon does not react.
State the type of bond between Y and Z and give its molecular formula.
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Number of valence electrons in carbon is ______.
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
How many electrons are required or released by each atom in carbon tetrachloride to attain the nearest noble gas configuration?
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
