Which statements are correct about a group? Select all that apply.Each member of the group has the identical electron configuration in the outer shell.The elements in each group have similar chemical properties.The elements in each group have identical physical properties.The atomic number of each element increases by 7 down through the group.

Which statement about the periodic table is correct?A.     The elements with atomic numbers 8, 16 and 34 have the same number of main energy levels.B.     The elements with atomic numbers 8, 9 and 10 have similar chemical properties.C.     The elements with atomic numbers 20, 21 and 22 are in the same group.D.     The elements with atomic numbers 20, 38 and 56 have the same number of electrons in their outer energy level.

Elements belonging to the same group have similar properties becauseThey have a similar electronic configuration of the outermost shellTheir atomic numbers go on increasing as we move down the groupAll of them are metallic elementsNone of the above

Select the correct answer.In the periodic table of elements, what do all of the elements in group 2 have in common? A. An atom of each element can hold up to eight electrons in its outer energy level. B. An atom of each element can hold up to six electrons in its outer energy level. C. Each element is an alkaline earth metal. D. Each element is a halogen. E. Each element is dull, brittle, and breaks easily.Reset Next

37. In which set of elements would all members be expected to have very similar chemical properties? Note that elements belonging to the same group DO have similar chemical properties. Elements belonging to the same period DO NOT have similar chemical properties. 1 pointS, Se, SiNe, Na, MgN, O, FNa, Mg, KO, S, Se

Why do elements in the same group on the periodic table have similar properties?A.They have similar numbers of protons.B.They have similar numbers of valence electrons.C.They have similar numbers of neutrons.D.They have similar atomic masses.