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प्रश्न
Fill in the blank
If an atom gains an electron, it is called an _______
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उत्तर
If an atom gains an electron, it is called an anion
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संबंधित प्रश्न
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
Write the names of the elements present in the following compound.
Common salt
Fill in the blank:
Atoms are _____
Name the particles which revolve around the nucleus.
Give two examples for each of ionic and covalent bond.
Name the unit in which the radius of an atom is usually expressed.
Which of the following statement is correct about the atom of an element ?
Electron, proton, neutron are the types of ______ in an atom.
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
Assertion: An atom is electrically neutral.
Reason: Atoms have equal number of protons and electrons.
An atom of an element has no electron. Will that atom have any mass or not? Can an atom exist without electron? If so then give example.
Define the following term with an example.
Compound
Atoms of different elements having the same number of ______ are called isotones.
Atoms of one element can be transmuted into atoms of other elements by ______
1 mole of Gold and Silver contain same number of atoms.
Give the salient features of “Modern atomic theory”.
Atoms have a radius of the order ______.
