Question
What do you understand by the tern "electronic configuration" of an element? Write down the electronic configuration of oxygen (At. $No. = 8).$
✓
Answer
The arrangement of electrons in various shells of an atom of the element is known as electronic configuration of the element. Electronic configuration of oxygen (atomic no. $= 8)$ is $(2, 6).$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
State an important characteristic of uniform circular motion. Name the force which brings about uniform circular motion.
Name the elements water is made of. What are the valencies of these elements$?$ Work out the chemical formula for water.
→Name the tissue and write characteristic feature of following. Forms inner lining of alveoli.
- Identify the tissue.
- Labels the parts marked $1, 2$ and $3.$
- What type of this tissue and where it occurs in body.
The power of a motor pump is $2 kW$ . How much water per minute the pump can raise to a height of $10 m$ ? (Given $g =$
$\left.10 ms^{-2}\right)$
→$\left.10 ms^{-2}\right)$
Give any two uses of radioactive isotopes.
Explain, how efficiency of irrigation can be increased.
Name the following:
- Tissue which stores fat.
- Epithelium which lines lung alveoli.
A lamp consumes $1000J$ of electrical energy in $10s.$ What is its power$?$
→There are two types of forces $X$ and $Y.$ The forces belonging to type $X$ can produce motion in a stationary object but cannot change the shape of the object. On the other hand, forces belonging to type $Y$ cannot produce motion in a stationary object but can change the shape of the object. What is the general name of the forces such as $(a) X,$ and $(b) Y?$
→