Advertisements
Advertisements
Question
Define:- Atom
Advertisements
Solution
Atom: An atom is the smallest indivisible unit of an
OR
Atom is the smallest unit of matter.
APPEARS IN
RELATED QUESTIONS
Write the names of the elements present in the:-
Sodium hydroxide
Define: Chemical bond
State Dalton’s atomic theory.
Name the particle or particles you would expect to find in :
The nucleus of an atom
Fill in the blank
A deficiency of electrons produces a ________ charge.
Name the unit in which the radius of an atom is usually expressed.
How many times is a proton heavier than an electron?
Which of the following statement is correct about the atom of an element ?
Find the mass of 2 moles of nitrogen atoms.
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
K: Potassium:: C: ______.
Define the following term with an example.
Metal
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
Write any two observations which support the fact that atoms are divisible.
Lead is also known as plumbum.
What is the fundamental particle of an element?
The first scientific theory about atoms was given by J J. Thomson.
