A species acts as a(n) agent if it gains electrons in a half-reaction. Conversely, it could potentially act as a(n) agent if it loses electrons in a half-reaction.

Read the given expression. x = number of protons − number of core electrons which of the following explains the identity of x and its trends across a period? x is the effective nuclear charge, and it remains constant across a period. x is the screening constant, and it remains constant across a period. x is the effective nuclear charge, and it increases across a period. x is the screening constant, and it increases across a period.

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

What is the independent variable in this investigation? mass volume sample number substance density