Why does reactivity go increases as you go down G1 from Li to K in terms of atomic structure

Which statement describes james chadwick’s discovery.

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘