MEDIUM
9th ICSE
IMPORTANT
Earn 100
Explain fractional atomic mass. What is the fractional mass of chlorine?
Important Questions on Atomic Structure and Chemical Bonding
EASY
9th ICSE
IMPORTANT
MEDIUM
9th ICSE
IMPORTANT
Complete the following table relating to the atomic structure of some elements:
| No.of protons | No.of electrons | No.of neutrons | Atomic number | Mass number | |
MEDIUM
9th ICSE
IMPORTANT
MEDIUM
9th ICSE
IMPORTANT
EASY
9th ICSE
IMPORTANT
EASY
9th ICSE
IMPORTANT
Name the following:
An element having valency 'zero'.
EASY
9th ICSE
IMPORTANT
Name the metal with valency.
EASY
9th ICSE
IMPORTANT
Name the following :
Two atoms having the same number of protons and electrons but different number of neutrons.
