An element X exists in three forms A, B and C in the ratio 1:2:3. If C has 10 protons and the number of neutrons in A, B and C are 10, 11 and 12 respectively,
Give the following:
(i) Representation of form C of the element X
(ii) Electronic configuration of form B of the element
(iii) Calculate the average atomic mass.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

What is the oxidation state of each individual carbon atom in c2o42−?