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प्रश्न
Fill in the blank
An ion with negative charge is called _______
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उत्तर
An ion with negative charge is called anion.
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संबंधित प्रश्न
Write the names of the elements present in the :-
Sulphuric acid
Write the names of `("NH"_4)_2"SO"_4` compounds:
Define: Relative atomic mass
Name the particles which revolve around the nucleus.
State Dalton’s atomic theory.
How did Neils Bohr visualise the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
Select the correct answer to the statement given below:
The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.
A compound containing one atom of carbon and two atoms of oxygen is ______.
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
The basic unit of matter is ______.
The smaller particles found in the atom is called ______.
Draw the structure of an atom and explain the position of the sub-atomic particles.
Define the following term with an example.
Non-metal
The volume occupied by 4.4 g of CO2 at S.T.P ______
______ is a substance that is made up of three oxygen atoms chemically combined.
Atoms have a radius of the order ______.
A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.
