Advertisements
Advertisements
Question
One of the following elements has an atomicity of ‘one’. This element is :
Options
helium
hydrogen
sulphur
ozone
Advertisements
Solution
Helium
The atomicity of Helium (He) is 1.
APPEARS IN
RELATED QUESTIONS
Calculate the number of moles in 12g of oxygen gas.
What is the mass of 0.2 mole of oxygen atoms ?
Fill in the following blanks :
0.5 mole of calcium element has a mass of ............... .
What is the value of Avogadro's number?
Calculate the number of molecules in 12.8g of sulphur dioxide gas. Take Avogadro's number as 6 x 1023.
[S = 32, 0 = 16 ]
A student puts his signature with graphite pencil. If the mass of carbon in the signature is 10-12 g. Calculate the number of carbon atoms in the signature.
Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23)
Find the number of molecules in 1.8 g of H2O.
Calculate the number of particles in 0.1 mole of any substance.
Calculate the mass of 0.1 mole of the following:
Na2SO4.10H2O
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
