From the chemical formula, we can predict the structure, the possible reactivity, the polarity, and the name of the compound. In some cases, the chemical formula may give us the hint in deducing the name but it is different for large molecul...
What is the correct formula for aluminum nitrate? What is the formula and name of the acid derived from the sulfite ion? Write the name for the formula Al_2O_3. What is the Lewis formula for the arsenate ion, AsO4^3-? What are some major uses of aluminum oxide?
高中数学>集合间交、并、补的运算（用Venn图表示）考试题目
compound ion). The magnitude of charge on each constituent ion may be the same for a given salt compound, or they may be different. This is important, as the ions must combine in an electrically-neutral ratio. This property is reflected in the compound's formula ...
What is the name of the anion OH-? What is the name of the compound NaNO3? What is the name and chemical formula of the main ingredient in vinegar? What is the correct name for a compound composed of Na+ and F- ions? What is the anion name and acid name for HI? What is the ...
What is the formula for calcium nitride? What is the formula for calcium carbonate? What is the correct formula for the compound made from sodium and oxygen? What is the chemical formula for the ionic compound calcium chloride? What is the formula for calcium fluoride?
Name each compound by ionic, hydrogen, or molecular compound. P2O3, MnO2, Al2S3, SO3, NH3, SrI2, Cl2O5, FeCl2, BeH2 Give the name of the ionic compound Na2O. What is the name of the compound with the formula Li3P? Is it ionic or covalent? What is the name of the com...
Write the correct formula for the compound between these ions. What is the correct formula for aluminum bromide hexahydrate? Give an explanation for your answer. 1. AlBr_3.6H_2O 2. AlBr.6H_2O Name the following, either by the correct form...
Identify the compound as ionic or covalent and give its correct name. SO3 Name the ionic compound for CrN. Give the name of the ionic compound Na2O. What is the name of the compound CaSO4? Is this compound molecular or ionic? (a) Name the compound: (NH_4)_3PO_...
What is the chemical symbol for the element named as gold? When the metallic element sodium combines with the nonmetallic element bromine, Br_2 (l), what is the chemical formula of the product? What is the correct formula of sodium oxide? What is the name of the following compound? NaF ...