MEDIUM
9th ICSE
IMPORTANT
Earn 100

Sulphur has an atomic number of and a mass number of . State the number of protons and neutrons present in the nucleus of sulphur. Draw a simple diagram to show the arrangement of the electrons in an atom of sulphur.

Important Questions on Atomic Structure
MEDIUM
9th ICSE
IMPORTANT
Elements and have atomic numbers and respectively. Which of the above elements will:
(a) forms anion or negative ion.
(b) forms cation or positive ion.
(c) has electrons in the outermost orbit.

HARD
9th ICSE
IMPORTANT

MEDIUM
9th ICSE
IMPORTANT

EASY
9th ICSE
IMPORTANT

MEDIUM
9th ICSE
IMPORTANT

EASY
9th ICSE
IMPORTANT
How do metals differ from non-metals in the electronic configuration of atom.

EASY
9th ICSE
IMPORTANT

MEDIUM
9th ICSE
IMPORTANT
(i) the mass number of the atom having neutrons and protons
(ii) the number of neutrons in the molecules of an atom having atomic number and mass number .
