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2) Draw orbital diagrams (for valence electrons only) for the following ions: a) K+ b) Br-c) Ni2+ d) Zn2+ 3) Define the following terms: atomic radius. Describe the periodic trend for atomic radius. 4) Define Z eff (effective nuclear charge). How does this property affect radii of atoms as you move from left to right in a period? Does it affect ...
The charge of one electron is equal to 1.6*10^-19C. Electric charge is always conserved. While charges could migrate from one body to another, the total charge remains the same. FYI. Conductors are materials which allow the passage of electric charge. This is due to the presence of free electrons in solid conductors.
An electron configuration is a method of indicating the arrangement of electrons about a nucleus. A typical electron configuration consists of numbers, letters, and superscripts with the following format: A number indicates the energy level (The number is called the principal quantum number.).
Does a cation gain protons to form a positive charge or does it lose electrons? Answer. The protons in the nucleus do not change during normal chemical reactions. Only the outer electrons move. Positive charges form when electrons are lost.
CH301 Fall 2010 Worksheet 3 Answer Key: Electron Configurations and Periodic Trends. 1. Match the following elements with their corresponding electron configurations. 2. Write the electron configuration of arsenic (As) in long notation and in short (noble gas) notation.
Charge is a scalar and is measured in coulombs 1. The coulomb is actually defined in terms of electric current (the flow of electrons), which is measured in amperes2; when the current in a wire is 1 ampere, the amount of charge that flows past a given point in the wire in 1 second is 1 coulomb. Thus,
All macroscopic, charged objects have charge because electrons have either been added or taken away from them, resulting in a net charge. The magnitude of the charge is independent of the type.
