Question Text
Question 1 :
An isotope of cobalt is used in the treatment of cancer.TRUE OR FALSE?
Question 2 :
If atomic number is 9 and number of neutrons is 10, then find name of the atomic species.
Question 3 :
If mass number is 24 and number of protons is 12, then find name of the atomic species.
Question 5 :
Dalton’s atomic theory suggested that the atom was divisible and destructible. TRUE or FALSE ?
Question 6 :
An atom is divisible and consists of charged particles. TRUE OR FALSE?
Question 7 :
If atomic number is 16, mass number is 32 and name of atomic species is Sulphur then find number of electrons.
Question 9 :
If mass number is 2 and number of proton is 1, then find name of the atomic species.
Question 10 :
Which one of the following is a correct electronic configuration of sodium?
Question 11 :
It was observed that the atoms of elements, completely filled with 8 electrons in the outermost shell show little chemical activity. TRUE OR FALSE?
Question 14 :
The number of electrons gained, lost or shared so as to make the octet of electrons in the outermost shell is called?