Fill in the blanks
The total number of protons and neutrons in an atom is called its _______

Fill in the blanks: - The total number of protons and neutrons is an atom is called its ______________.

Fill in the blanks: - The number of protons in an atom is called its ___________.

Fill in the blanks:- Atoms are uncharged because the number of protons and electrons in an atom is ________.

Fill in the blanks:- Neutrons and protons are bound in a nucleus by an energy called____________.

In any nuclear reaction - (A) The total number of protons and neutrons remains same before and after the reaction. (B) Increase or decrease in the number of protons is equal to the decrease or increase in the number of neutrons. (C) Kinetic energy of the incident particle is approximately 8 MeV or its equivalent. (D) Some energy is released if total mass is reduced.

Fill in the blanks The area bounded by two radius and their adjacent arc is called______.

What is the charge of an electron, proton and a neutron ?

Fill in the blanks The numerator of a ratio is called the_______.

Fill in the blanks: The animal kingdom is called_____

Fill in the blanks : The machine in which only mechanical force is used that is called______.