Advertisements
Advertisements
Question
Give the name of the element present in the following compound:
Quick lime
Advertisements
Solution
- Compound - Quick lime
- Chemical formula - CaO
- Elements present - Calcium, Oxygen
APPEARS IN
RELATED QUESTIONS
Write down the name of a compound represented by the following formula:
K2SO4
Write down the name of a compound represented by the following formula:
CaCl2
Give the name of the element present in the following compound:
Potassium sulphate
Calculate the number of molecules of sulphur (S8) present in 16 g of solid sulphur.
Define: Atomic number
What do the following denote ?
- N
- 2N
- N2
- 2N2
An element X forms the following compounds with hydrogen, carbon and oxygen :
H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
Correct the following statement:
A molecule of sulphur is monoatomic.
State the main points of the contradiction of Dalton’s atomic theory by the Modern Atomic Theory.
Two elements sometimes can form more than one compound.
