Interpretation:
The formulas of ammonium phosphate trihydrate and potassium sulfide pentahydrate is to be written
Concept introduction:
Some chemical compounds on crystallization from water solution produce a crystal that contains water molecules as a part of their crystal structure. These water molecules of the crystals are called as water of crystallization or water of hydration. The crystal that results from the process of crystallization is referred as hydrate. Conversely, the water molecules can be driven away from the crystals by applying heat energy to afford anhydrous chemical compounds. The well-known example of a compound having water crystallization is CuSO4.5H2O. The anhydrous chemical compound CuSO4 (colorless) is combined with 5 H2O molecules on crystallization from a water solution result in hydrated CuSO4.5H2O (blue). The name of this chemical compound is denoted as copper (II) sulfate penta hydrate. In this case, the prefix ‘penta’ is usually referred as the presence of 5 molecules (water).
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Introductory Chemistry: An Active Learning Approach
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- Ions that form from one atom on the Periodic Table are call monatomic ions. However not all ionic bonds are formed with monatomic ions, polyatomic ions can form ionic bonds as well. The prefix poly- means many and atomic refers to atoms, so a polyatomic ion is an ion that contains more than one atom. This differentiates polyatomic ions from monatomic ions, which contain only one atom. Examples of monatomic ions include Na+, Fe3+, Cl-, and many, many others. We can think about polyatomic ions by comparing them to monatomic ions. A monatomic ion is an atom that has been ionized by gaining or losing electrons. The ion has a net charge because the total number of electrons is not balanced by the total number of protons in the nucleus. Thus, compared to the neutral atom, we have extra electrons—in the case of a negatively charged anion—or not enough electrons—in the case of a positively charged cation. For example, a neutral chlorine atom has an atomic number of 17, which means it has 17…arrow_forwardWrite the formula for a compound that forms between silicon and fluorine?arrow_forwardGive the chemical formulas for each of these acids. hydrofluoric acid: perchloric acid: phosphorous acid:arrow_forward
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