Download App

Carbon and its Compounds — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceCarbon and its Compounds1 Mark
Question
An element X which has 6 electrons in its outermost shell, require 2 electrons to complete its octet for attaining noble gas configuration. X is an essential element for the survival of all living beings. What is X?
✓

Answer

X is oxygen electronic configuration of Oxygen is 2, 6. Oxygen is used for respiration by the living beings.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the questions.[Che-1M]" from Carbon and its Compounds→Carbon and its Compounds — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

Give reason for the following:
Silver, gold and platinum are used to make jewellery.
→
Name two metals which are highly resistant to corrosion.
→
What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?
→
What is the common name of methanal?
→
What is the general name of all the compounds made up of carbon and hydrogen?
→
What is the physical state of CH3COOH?
→
What is the common name of sodium hydrogencarbonate?
→
What is the usual number of valence electrons in the atoms of the last element in a period?
→
Write word equations and then balanced equations for the reactions taking place when -
Dilute hydrochloric acid reacts with magnesium ribbon.
→
Which is more acidic: a solution of pH = 2 or a solution of pH = 6?
→