Advertisements
Advertisements
Question
Define gram atomic mass of a substance. How much is the gram atomic mass of oxygen ?
Solution
Gram atomic mass refers to the mass of an element , in one mole of atoms of that substance. It is equal to the gram atomic weight of that element. Gram atomic mass of oxygen is 16 grams.
APPEARS IN
RELATED QUESTIONS
A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by weight.
How many atoms are present in one gram atomic mass of a substance ?
What is meant by atomic mass number?
Define atomic mass unit.
Choose the correct answer from the option given below.
Modern atomic symbols are based on the method proposed by
Define the term:
Mass number
A hydrocarbon contains 4.8g of carbon per gram of hydrogen. Calculate the gram atom of each.
Select the correct answer from the answer in the bracket to complete the sentence.
An element has electronic configuration 2, 8, 1 and 12 neutrons. Its mass no. is ________.
Give a reason for the following:
The mass number of an atom is slightly less than the actual atomic mass.
Mass of 1 mole of Nitrogen atom is ______
Which of the following represents 1 amu?
The average atomic mass of hydrogen is ______ amu.
Calculate the % of each element in calcium carbonate. (Atomic mass: C-12, O-16, Ca -40)
Calculate the % relative abundance of B-10 and B-11, if its average atomic mass is 10.804 amu.
What are the postulates of Bohr’s model of an atom?
Chlorine exists in two isotopic forms, \[\ce{Cl-37}\] and \[\ce{Cl-35}\] but its atomic mass is 35.5. This indicates the ratio of \[\ce{Cl-37}\] and \[\ce{Cl-35}\] is approximately
