What is atomic number of oxygen?

Important Questions on Structure of Atom

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 10

 ${}_8{}^{16}O -16$and ${}_8{}^{17}O-17$ are the two _____ of oxygen.

MEDIUM

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 11

 What is the mass number of the species ${}_5{}^{11}B$ ?
 

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 1

Name the three fundamental particles of an atom.

HARD

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 2

Compare the charge on electron, proton and neutron.

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 3

What are canal rays and what is their other name?
 

HARD

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 4

Define an isotope and name the three isotopes of hydrogen.
 

MEDIUM

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 5

 Write the electronic configuration of oxygen and name its valence shell (atomic number of O is 8).

EASY

9th CBSE

IMPORTANT

Secondary Chemistry>Chapter 4 - Structure of Atom>Questions as per the Guidelines of CBSE>Q 6

What is the rule that provides the electron capacity of an energy shell and calculate the maximum number of electrons which can be assigned to the M-energy shell of an atom.