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प्रश्न
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
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उत्तर
If an atom loses an electron, it acquires positive a charge
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संबंधित प्रश्न
TRUE \ FALSE
Elements combine in definite proportions to form compounds.
ANSWER IN DETAIL
How are isobars different from isotopes ?
Fill in the blank
An ion with positive charge is called ______
Define: Relative atomic mass
What does an atom consist of ? Explain.
Name the particles which revolve around the nucleus.
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 _____
How is the size of an atom indicated ?
Write the relation between nanometre and metre.
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of phosphorus
The basic unit of matter is ______.
______ is the smallest particle of an element.
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
1 mole of Gold and Silver contain same number of atoms.
A change in the physical state can be brought about
What are the 3 most abundant atoms on the earth?
