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प्रश्न
______ is the smallest particle of an element.
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उत्तर
Atom is the smallest particle of an element.
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संबंधित प्रश्न
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
WRITE SHORT ANSWER
Define an ionic compound.
Give two examples for each of ionic and covalent bond.
Name the particle or particles you would expect to find in :
The nucleus of an atom
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
What is an atom ? How do atoms usually exist ?
Give scientific reason.
All the mass of an atom is concentrated in the nucleus.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
An element is composed of ______ atoms.
