As the elements in group 17 are considered in order of increasing atomic number, the chemical reactivity of each successive element
(1) decreases
(2) increases
(3) remains the same

Give the orbital configuration of the phosphorus (p) atom.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

When a scientific theory has been tested and proved by the scientific community, it becomes a law