Enter your Name:   Enter your E-mail Address:  01. Which of the following atoms will have similar chemistry: Si, P, S, N, As? 02. How many valence electrons are in this electron configuration? 1s22s22p63s23p64s23d8 03. What columns in the periodic chart represent the transition metals? 04. What column in the periodic chart contains the atoms with an ideal electron configuration? 05. What type of charge do metal ions develop in ionic compounds? 06. When atoms share electrons to make a molecule, is the compound ionic or covalent? 07. When trying to determine whether an atom gives up its electrons easily, do chemists look at electronegativity or ionization potential? 08. What does ozone do to make life on earth possible? 09. What is the Lewis structure for Al? 10a. Write the chemical formula for potassium arsenide (arsenic is abbreviated As) 10b. Write the chemical formula for iron (III) oxide (Iron's symbol is Fe) 10c. Write the chemical formula for calcium sulfide 11. Which atom gives up its electrons most easily: Mg, Na, or P? 12. Order the following atoms in terms of increasing electronegativity: Ba, Mg, Ca, Sr. 13a. Draw the Lewis structure for PH3. 13b. Draw the Lewis structure for Br2. 13c. Draw the Lewis structure for SiH4. 13d. Draw the Lewis structure for OCl2. 13e. Draw the Lewis structure for SiO2. 13f. Draw the Lewis structure for CS2. 13g. Draw the Lewis structure for FSiN.