Advertisements
Advertisements
Question
Give the charge and the mass of an electron, proton and neutron present in an atom ?
Advertisements
Solution
| Particle | Charges | Mass |
| (1) proton | Positive | One atomic mass unit. (amu) |
| (2)electron | Negative | 1/1837 times the mass of one hydrogen atom. |
| (3)Neutron | No charge | One atomic mass unit, equal to mass of proton. |
APPEARS IN
RELATED QUESTIONS
Why is it not possible to see an atom with naked eyes?
ANSWER IN DETAIL
How are isobars different from isotopes ?
Define:- Atom
Write the names of `"FeS"` compounds :
What are orbits or shells ?
Fill in the blank
A charged particle is called an _____
Write the full form of IUPAC.
Name the three subatomic particles present in an atom.
How is the size of an atom indicated ?
Why is it not possible to see an atom even with the most powerful microscope ?
State two observations which show that atom is not indivisible.
Give brief information of three subatomic particles with reference to electrical charge, mass and location.
Electron, proton, neutron are the types of ______ in an atom.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will gain electron?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
Define the term ions or radicals.
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
The graphite refill used is pencil is made of element called ______.
