Advertisements
Advertisements
Question
What are valence electrons?
Advertisements
Solution
Valence electrons: The number of electrons present in the valence shell is known as valence electrons.
APPEARS IN
RELATED QUESTIONS
Give the symbol and charge of each particle.
Write down the number of electrons in X and neutrons in Y.
What are inert elements?
Choose the correct answer from A, B, C and D:
When a metal atom becomes an ion:
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?
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.
Cathode rays are made up of
The maximum number of electrons that can be present in the N shell is ______.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
