Welcome to cbsenotes.com! To post messages or access any member only section, you will need an account. Create your free account now.
Already a member ? Click here to login
CBSE Notes 2011-2012 » IX-Science-Term2

Structure of the Atom

Which of the following statement is always correct ?

Multiple choice question

Which of the following statement is always correct ?

Atomic models have been improved over the years. Arrange the following atomic models in the order of...

Multiple choice question

Atomic models have been improved over the years.
Arrange the following atomic models in the order
of their chronological order
(i) Rutherford's atomic model
(ii) Thomson's atomic model
(iii)Bohr's atomic model

An atom with 3 protons and 4 neutrons will have a valency of

Multiple choice question

An atom with 3 protons and 4 neutrons will have a
valency of

The electron distribution in an aluminium atom is

Multiple choice question

The electron distribution in an aluminium atom is

1.Write symbol of a non-metal having 6 valence electrons 2. Write symbol of a metal having 3 valence...

Multiple choice question

1.Write symbol of a non-metal having 6 valence
electrons
2. Write symbol of a metal having 3 valence
electrons
3. Write symbol of an element having 14 protons
4. Write symbol of an element with atomic number5

The difference between isotopes and isobars

Multiple choice question

The difference between isotopes and isobars

Syndicate content