Download App

Atoms and Molecules — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
Question
Give a brief description of the following: Atomic mass unit.
✓

Answer

An atomic mass unit is defined as accurately $1/12$ the mass of a carbon$-12$ atom. The carbon$-12$ atom has six neutrons and six protons in its nucleus. It is represented as $a.m.u$ or $u$ (unified). It is a unit of mass used to express atomic masses.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Do as directed; [1 M ]" from Atoms and Molecules→Atoms and Molecules — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

What type of nutrition is found in Euglena?
→

What kind of energy is possessedby the following?

Water stored in the reservoir of a dam.

→
What happens to the pitch of a sound if its frequency increase?
→
How are the following pairs of atoms related? $ _8\text{X}^{16},\ _8\text{X}^{17},\ _{18}\text{Y}^{40},\ _{20}\text{Z}^{40}$
→
Why is life not possible on Venus and Mars$?$
→
Name parts of India with maximum diversity.
→
What is an echo?
→
The Kelvin scale temperature is 0K. What is the corresponding Celsius scale temperature?
→
Why air is called "breath of life"?
→
How many categories are there in hierarchy classification?
→