Advertisements
Advertisements
प्रश्न
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
विकल्प
Molecule
Orbits
Atom
Valency
Radical
उत्तर
Orbit
APPEARS IN
संबंधित प्रश्न
Write the names of the elements present in the:-
Sodium hydroxide
Write the names of `("NH"_4)_2"SO"_4` compounds:
Write the names of `"Ca"("NO"_3)_2` compounds :
Fill in the blank
An ion with positive charge is called ______
Fill in the blank
An ion with negative charge is called _______
Define: Relative atomic mass
Define: An Atom:
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the mass number of X ?
Fill in the blank
A charged particle is called an _____
Fill in the blank
An excess of electrons produces a ________ charge.
How many times is a proton heavier than an electron?
Give brief information of three subatomic particles with reference to electrical charge, mass and location.
The electron shell ______ is nearest to the nucleus.
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
K: Potassium:: C: ______.
The graphite refill used is pencil is made of element called ______.
______ is a substance that is made up of three oxygen atoms chemically combined.