Advertisements
Advertisements
Question
Which of the following is/are true with respect to carbon-12.
Options
relative atomic mass is 12 u
oxidation number of carbon is +4 in all its compounds.
1 mole of carbon-12 contain 6.022 × 1022 carbon atoms.
all of these
Solution
relative atomic mass is 12 u
APPEARS IN
RELATED QUESTIONS
The number of molecules in 22.4 cm3 of nitrogen gas at STP is ______.
Calculate the molecular mass of the following in u.
CH3COOH
An element X has the following isotopic composition 200X = 90%, 199X = 8% and 202X = 2%. The weighted average atomic mass of the element X is closest to
Two 22.4 litre containers A and B contains 8 g of O2 and 8 g of SO2 respectively at 273 K and 1 atm pressure, then
What is the mass of precipitate formed when 50 ml of 8.5% solution of AgNO3 is mixed with 100 ml of 1.865% potassium chloride solution?
Which one of the following is used as a standard for atomic mass.
What is the average mass of an element if it has two isotopes, one of mass 6.015 u with 8.24 % and other of mass 7.016 u with 91.26% respectively?
The unit of atomic mass, amu is replaced by u, here u stands for ______.
One amu is equal to ________.
Calculate mass of 3.01 × 1024 atoms of an element having atomic mass 21.13.
