Q. The regular arrangement in which atoms are closely packed together is called a

View solution

Q. Metallic bonding is very strong because of

View solution

Q. Although mercury (Hg) is held by metallic bonding yet it is a

View solution

Q. When high voltage will be passed through a metal, electricity will

View solution

Q. Number of electrons is highest in

View solution

Q. Which statement is incorrect?

Along a column in Inert gases (He, Ar, Kr, Ne, Xe, Ra)

View solution

Q. The atomic number is the number of

View solution

Q. The sum of protons and neutrons in an atom gives off

View solution

Q. The elements which have the same number of protons but different number of neutrons are called

View solution

Q. The proton number is denoted by the symbol

View solution

Q. Particular element posses the same number of electrons hence have the same

View solution

Q. The number of atoms in the same element has the same number of

View solution

Q. Hydrogen has a number of isotopes

View solution

Q. Specific radioactive isotopes are used for

View solution

Q. The mass number is the

View solution

Q. The atom of aluminum (Al) has the number of neutrons (n⁰)

View solution

Q. Down the group the electrical conductivity

View solution

Q. The number of proton, neutron and electron in sulfide ion is respectively

View solution

Q. The number of electrons (e⁻) are always equal to number of protons(p⁺) in a

View solution

Q. The atoms of element convert into ions upon being

View solution