Advertisements
Advertisements
प्रश्न
Define: An Atom:
Advertisements
उत्तर
An Atom: Smallest particle of an element that can exist and have properties of an element.
APPEARS IN
संबंधित प्रश्न
WRITE SHORT ANSWER
Define an ionic compound.
Write the names of the elements present in the:-
Ammonia
Write the names of the elements present in the:-
Sodium hydroxide
Fill in the blank:
Atoms are _____
Give two examples for each of ionic and covalent bond.
State Dalton’s atomic theory.
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the mass number of X?
Fill in the blank
An _______ is electrically neutral.
Write the full form of IUPAC.
What value has been given to the mass of this reference atom ?
State two observations which show that atom is not indivisible.
Find the mass of 2 moles of nitrogen atoms.
Electron, proton, neutron are the types of ______ in an atom.
Define the following term with an example.
Element
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
Draw the structure of an atom and explain the position of the sub-atomic particles.
The graphite refill used is pencil is made of element called ______.
Lead is also known as plumbum.
The ______ are combination of atoms of various elements or the same element.
