हिंदी

What is Meant by Saying that 'The Atomic Mass of Oxygen is 16' ? - Science

Advertisements
Advertisements

प्रश्न

What is meant by saying that 'the atomic mass of oxygen is 16' ?

टिप्पणी लिखिए

उत्तर

By saying that the atomic mass of oxygen is 16, we mean that the atom of oxygen is 16 times heavier compared to 1/12th the mass of a carbon-12 atom.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Atoms and Molecules - Very Short Answers [पृष्ठ १३०]

APPEARS IN

लखमीर सिंग Chemistry [English] Class 9
अध्याय 3 Atoms and Molecules
Very Short Answers | Q 56.3 | पृष्ठ १३०

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

An ion with mass number 37 possesses one unit of negative charge. If the ion contains 11.1% more neutrons than the electrons, find the symbol of the ion.


An ion with mass number 56 contains 3 units of positive charge and 30.4% more neutrons than electrons. Assign the symbol to this ion.


Define atomic mass of an element.


What is meant by atomic mass number?


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.


Name or state the following:

Atoms of the same element differing in mass number


What would be the reason for an element to have atoms with different mass numbers?


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 ________.


Select the correct answer from the answer in the bracket to complete the sentence.

An atom with electronic configuration 2, 7 and mass number 19 will have ________ neutrons.


Draw the structure of oxygen and sulphur atoms.


Noble gases are Diatomic.


The gram atomic mass of an element has no unit.


Answer the following question using the data given below:

  • Assertion: The Relative Atomic mass of aluminium is 27
  • Reason: An atom of aluminium is 27 times heavier than 1/12th of the mass of the C – 12 atom.

The ratio of masses of H and O in H2O is ______.


If the atomic mass unit ‘u’ were defined to be `1/5 "th"` of the mass of an atom of C-12, what would be the atomic weight of nitrogen in amu or ‘u’ in this state? Atomic weight of N on the conventional scale is 14.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×