Arrange the following in order increasing ionic radius potassium ion sulfide ion chloride ion calcium ion?

Should you use sodium or potassium salt in your water softener?

Water softeners or whole house water treatment systems use a process called ion exchange to remove minerals from the city or well water that enters the home. This involves passing the water through a tank filled with resin beads that are coated with ions of either sodium or potassium chloride. An ion is an atom or molecule that is electrically charged. In this condition, it is capable of swapping places with certain other molecules in its environment, in this case, the “hard” minerals in the domestic water supply. The water that enters many of our homes is hard because it contains particles of calcium, magnesium and some other minerals. The water treatment system removes most of these minerals and replaces them with either sodium or potassium salt, depending on which type you buy for your water softener. Here are some of the pros and cons to using either type of salt. Sodium Chloride is usually less expensive than Potassium Chloride although the latter is better for the environment when your system discharges the brine solution it uses to recharge the ions on the resin beads. You can arrange to capture the discharge and use it on lawns and gardens since potassium is a key plant nutrient. Contrary to a common misconception, using sodium salt in your water softener will not adversely affect your plumbing. Most modern plumbing is made of PVC plastic and is not affected by increased levels of either sodium or potassium chloride. Sodium salt can, however, reduce the amount of maintenance required for your brine tank. For those concerned about how much sodium is put into the water by a water softener, the answer is, it all depends. The harder your water supply the more sodium ions are needed to soften it. That said, studies indicate that even water softened with sodium chloride has a low concentration of sodium. See this article from the Mayo Clinic for more information: http://www.mayoclinic.com/health/sodium/AN00317 The problem of too much sodium disappears if your water softener includes a reverse osmosis system which removes sodium along with other impurities. Some concern has been expressed in a report from Health Canada about the use of potassium salts in water softeners and the potential health effects for specific segments of the population. For more information go to: http://www.hc-sc.gc.ca/ewh-semt/pubs/water-eau/consultation/potassium/part1-eng.php In the end the choice between sodium or potassium salts in your water softener is a personal one, depending on the presence of potential health issues, cost, environmental priorities and so forth. You can have the hardness of your water tested free of charge by most companies that sell water softeners. Sources: http://watersoftener.wordpress.com/, rainsoftdirect.com/homewatertest.php

How did scientists discovering protons and neutrons help them to place elements in their correct order and group?

By discovering the elements proton number, it became easier for scientists because the elements had similar properties. And they could arrange it by increasing proton number, valence electrons or electronic configuration.

Arrange the following elements in order of increasing electronegativity N Na Ni K P?

The electronegativity from least to highest : Ba, Be, Bi, B, Br The electronegativity of an element is a measurement of how its atoms attract electrons. This is based on the atomic weight (width of the atomic nucleus) and the distance of its valence electrons from the nucleus. As displayed on the Periodic Table, elements generally increase in electronegativity as you move across (left to right), and decrease as you go down the table. (Only aluminum does not follow this in this set of elements.) (see related link)

If magma cools slowly atoms do not have time to arrange themselves into large crystals?

False they have all the time in the wrold to form

The basis of the VSEPR model of molecular bonding is?

electron domains in the valence shell of an atom will arrange themselves so as to minimize repulsions

Arrange the following in order increasing ionic radius potassium ion sulfide ion chloride ion calcium ion?

Add your answer:

Should you use sodium or potassium salt in your water softener?

How did scientists discovering protons and neutrons help them to place elements in their correct order and group?

Arrange the following elements in order of increasing electronegativity N Na Ni K P?

If magma cools slowly atoms do not have time to arrange themselves into large crystals?

The basis of the VSEPR model of molecular bonding is?

Arrange the following in increasing order of force of attraction between the particles water sugar and oxygen?

Arrange the following compounds in order of increasing Rf values in TLC Anthracene benzil tryphenylmethanol?

How will you arrange integers in increasing or decreasing order in a number line?

Arrange the following in order of increasing electronegativity Refer to the periodic table above?

How do you multiply 356 by 0.1 0.01 0.001 and arrange the product by increasing order?

What is answer of 356 times 0.1 with increasing order?

How do you arrange the following elements in order of increasing atomic radius from 1 (smallest radius) to 4 (largest radius). Sb As N and P?

How do you arrange the following elements Sb As N and P in order of increasing atomic radius from 1 (smallest radius) to 4 (largest radius).?

How does sodium and chloride particles are arrange in a crystal?

When elements are arrange in order of increasing atomic no is called?

Arrange the following types of electromagnetic radiation in order of increasing frequency infrared comic rays visible light microwaves radio waves and ultraviolet?

According to the increasing of what did Medeleev arrange the known chemical elements in a table?

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