The oxygen and nitrogen families have some obvious sim-ilarities and differences.(a) State two general physical similarities between Group5A(15) and 6A(16) elements. (b) State two general chemical similarities between Group5A(15) and 6A(16) elements.(c) State two chemical similarities between P and S.(d) State two physical similarities between N and O.(e) State two chemical differences between N and O.

Pick any four non metallic elements from Group 3A - 8A. Group_A Element: a) Discuss one benefit or hazard of the element. b) Discuss one commercial application of element A Element: Group a) Discuss one benefit or hazard of the element. b) Discuss one commercial application of element Group_A Element: a) Discuss one benefit or hazard of the element. b) Discuss one commercial application of element Group_A Element: a) Discuss one benefit or hazard of the element. b) Discuss one commercial application of element

Arrange in order of increasing ionization energy (a) the Group 1A elements Na, Cs, and K(b) the Period 4 elements As, Ca, and Br

Which description correctly describes a difference betweenthe chemistry of oxygen and sulfur?(a) Oxygen is a nonmetal and sulfur is a metalloid. (b) Oxygencan form more than four bonds, whereas sulfur cannot.(c) Sulfur has a higher electronegativity than oxygen.(d) Oxygen is better able to form π bonds than sulfur.