What is the correct formula for the compound formed between magnesium and the phosphate ion?

Which formula represents the compound aluminum iodide?

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

Which of the following is the correct chemical formula for manganese(II) sulfide?

Which of the following is the correct chemical formula for calcium fluoride?

Which metallic ion is present in copper(II) chloride?

What is the correct name for the ionic compound with the formula CaSO_4?

What is the correct name for the ionic compound LiOH?