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प्रश्न
Fill in the blank
An ion with positive charge is called ______
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उत्तर
An ion with positive charge is called cation.
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
Define: Ions
Name two particles found inside the nucleus. What are they collectively called ?
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
Define: An Atom:
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
Fill in the blank
A charged particle is called an _____
Name the three subatomic particles present in an 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.
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of phosphorus
A compound containing one atom of carbon and two atoms of oxygen is ______.
Define the following term with an example.
Metal
The number of atoms present in a molecule is called its ______.
Give the salient features of “Modern atomic theory”.
Atoms have a radius of the order ______.
