Which of the following is the correct formula for the ionic compound formed between aluminum and bromine?

Which of the following chemical formulas represents the compound aluminum bromide?

When naming ionic compounds, in which situation must you use a Roman numeral in the compound's name?

Which salt is formed when zinc reacts with nitric acid, and what is its chemical formula?

Which of the following is the correct chemical formula for copper(II) phosphate?

Which of the following is the correct chemical formula for iron(II) phosphite?

What is the correct name for the ionic compound CaO?

Which of the following is the correct chemical formula for sodium phosphate?