HARD
9th CBSE
IMPORTANT
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An atom of element E contains protons, electrons and neutrons :
What type of ion, cation or anion, will be formed by an atom of element E? Why?

Important Questions on Structure of Atom
MEDIUM
9th CBSE
IMPORTANT
An atom of element contains protons, electrons and neutrons:
Write the symbol of the ion formed by an atom of element .
Enter your answer as or .

MEDIUM
9th CBSE
IMPORTANT
An atom of element E contains protons, electrons and neutrons : What could element E be? Name it.

EASY
9th CBSE
IMPORTANT
An atom of an element X may be written as . What does the figure indicate?

EASY
9th CBSE
IMPORTANT
An atom of an element may be written as . What does the figure indicate? (Mass number/ Atomic number)

EASY
9th CBSE
IMPORTANT
An atom of an element may be written as . What is the number of protons in atom ?

MEDIUM
9th CBSE
IMPORTANT
An atom of an element may be written as . What is the number of neutrons in atom ?

EASY
9th CBSE
IMPORTANT
An atom of an element may be written as . What is the number of electrons in an atom ?

HARD
9th CBSE
IMPORTANT
An atom of an element X may be written as . How many electrons are there in the outermost shell of an atom of element ?
