What is the name of the aluminum ion? Al^–1 Al⁺² Al^–3 Al⁺³?

Element X reacts with element Y to give a product containing X3+ ions and Y2-ions. (d) In what groups of the periodic table are elements X and Y likely to be found?

What is the number of valence electrons in Cadmium (Cd)? Is it 1, 2, 10, or 12?

Match each type of element with the typical trend it follows when forming an ion.

How many valence electrons are in the alkaline earth metal family? Do they form cations or anions?

Which of the following elements will likely form a negative ion in its ionic compounds?

Predict the charge of the ion formed by each element. a. Sr