Advertisements
Advertisements
प्रश्न
How does an electron differ from a neutron?
Advertisements
उत्तर
| Electron | Neutron |
| • Relative mass is 1/1840 u | • Relative mass is 1u |
| • Absolute mass is 9 × 10–28 g | • Absolute mass is 1.602 × 10–24 g |
| • Charge is -1 | • It is neutral |
APPEARS IN
संबंधित प्रश्न
Fill in the blank of the following statement :
Cathode rays are a beam of fast moving _________.
What is an electron? State its relative mass and charge.
What are cathode rays? How are these rays formed?
The electronic configuration of nitrogen is (2, 5). How many electrons in the outer shell of a nitrogen atom are not involved in the formation of a nitrogen molecule?
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
An element X has 2 electrons in its M shell, it forms a bond with an element Y which has 7 electrons in its third orbit.
- Write the formula of the compound formed.
- Which nearest inert gas electronic configuration will element X and Y acquire.
- Show by orbital diagram the formation of the compound between X and Y.
In the formation of (i) oxygen molecule (ii) carbon tetrachloride molecule, state the following:
- Electronic configuration of nearest inert gas attained.
- How many electrons are shared/transferred in bond formation
- Which type of bonds these compounds form?
- Draw their orbital diagrams.
All non–metals will have ______ electrons in the outermost orbit of their atoms.
The maximum number of electrons that can be present in the N shell is ______.
Helium has two electrons in the outermost orbit and so it is chemically inert.
