An atom 'Z' has a mass number twelve and contains six electrons. State
(a) The number of neutrons it contains
(b) The atomic number of 'Z'

An atom Z has a mass number twelve and contains six electrons. State The number of neutrons it contains

An atom Z has a mass number twelve and contains six electrons. State The atomic number of Z

An atom Y contains ten electrons and ten neutrons. State The number of protons it contains

An atom which has a mass number of 14 and has 8 neutrons is an:

(a) Describe the Rutherford's model of an atom. State one drawback of Rutherford's model of the atom (b) The mass number of an element is 23 and it contains 11 electrons. What is the number of protons and neutrons in it ? What is the atomic number of the element ?

(a) Describe Thomson's model of the atom. Which subatomic particle was not present in Thomson's model of the atom? (b) The mass number of an element is 18. It contains 7 electrons. What is the number of protons and neutrons in it? What is the atomic number of the element?

An atom having atomic mass number 13 has 7 neutrons. What is the atomic number of the atom.

Atomic number of a nucleus is Z and atomic mass is M . The number of neutron is.