Draw the electron-dot symbol for the following element:Rn

Consider an ion with the symbol Y³⁻ formed from a representative element. (6.1, 6.2, 6.3)b. What is the Lewis symbol of the element?

Which element has the correct Lewis dot symbol shown (dots represent valence electrons)?

Write the group number and draw the Lewis symbol for each of the following elements:e. gallium

Write the group number and draw the Lewis symbol for each of the following elements:c. calcium

An unidentified element is found to have an electron configuration by shell of 2 8 18 8 2. To what group and period does this element belong? Is the element a metal or a nonmetal? How many protons does an atom of the element have? What is the name of the element? Write its electron-dot symbol.

Consider the following Lewis symbols for elements X and Y: (6.1, 6.2, 6.5)

c. What ions would be formed by X and Y?