What is the valency of fluorine in calcium fluoride?

What is the valency of fluorine in calcium fluoride?
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Which among the following is a covalent compound? (1) Calcium chloride (2) Magnesium fluoride (3) Sodium chloride (4) Carbon tetrachloride

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Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

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The Refrigerant 'FREON' is – (1) Calcium Tetra Fluoride (2) Difluoro Dichloro Methane (3) Fluorspar and Felspar (4) Hydrofluosilicic Acid

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A child consumes a toxic dose of fluoride. You will:** A. Induce vomiting B. Give a lot of fluids C. Give a lot of fluids and sodium bicarbonates D. Ask patient not to eat for 45 minutes E. Give milk, calcium tablets or magnesium tablets

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When the enamel of the tooth is exposed to preparation containing high concentrations of fluoride the major reaction is: M07 A. Sodium fluoride B. Calcium fluoride C. Stannous fluoride D. Fluoroapatite

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Last Answer : B. The intake of fluoride during the period of enamel mineralization and maturation

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How does valency of an element vary across a period?

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Find the atomic structure of `._(12)^(24)Mg`. What is its valency?

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The valency is zero for

Description : The valency is zero for

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What is the name of the family of reactive metals having valency two?

Description : What is the name of the family of reactive metals having valency two?

Last Answer : What is the name of the family of reactive metals having valency two?

What is the name of the family of reactive metals having valency one?

Description : What is the name of the family of reactive metals having valency one?

Last Answer : What is the name of the family of reactive metals having valency one?

What the valency of bicarbonate is?

Description : What the valency of bicarbonate is?

Last Answer : The charge of ion bicarbonate, HCO3 (not valency) is -1.

Why the valency of an element is a whole number?

Description : Why the valency of an element is a whole number?

Last Answer : Because there is no such thing as a fraction of an electron.

Tyrosine of thyroglobulin is acted upon by ________ to give mono and diiodo tyrosines. (A) Potassium Iodide (B) Iodine (C) Iodide I (D) Higher valency state of iodine (I+)

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The cause of periodicity of properties (a) Increasing atomic radius (b) Increasing atomic weights (c) Number of electrons in the valency orbit (d) The recurrence of similar outer electronic configuration

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The valency of carbon is

Description : The valency of carbon is

Last Answer : four.

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Description : Why do inert gases have zero valency?

Last Answer : Inert gases have zero valency because their octet is complete.

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The two elements required to form substitutional solid solution should not have (A) Same crystalline structure (B) Same valency (C) Widely differing electronegativity (D) Same atomic sizes

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Last Answer : C) Widely differing electronegativity

Why chlorine is electronegative? What type of valency it will show with hydrogen.

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Last Answer : Chlorine gains one electron from another atom so as to complete its octet therefore chlorine is electronegative.  Type of valency with hydrogen : Co-valency.  

Define valency. Write their types.

Description : Define valency. Write their types.

Last Answer : Valency:- The number of electrons donated (lose) or accepted (gain) or shared by atom of an element in order to complete its octet & attain stability is called as Valency.  Types of Valency : 1. Electro valency 2. Co valency 3. Co-ordinate valency

Define: i) Valency ii) Valence electrons.

Description : Define: i) Valency ii) Valence electrons. 

Last Answer : Valency:- The number of electrons donated (lose) or accepted (gain) or shared by atom of an element in order to complete its octet & attain stability is called as Valency.  Valence electrons: ... in the outermost orbit of an atom determine the valency of an atom and hence called valence electrons. 

Would it help if when I have a glass of fluoride laced tap water if I swished it around in my mouth?

Description : Would it help if when I have a glass of fluoride laced tap water if I swished it around in my mouth?

Last Answer : Yes. That’s why dentists have kids slosh it around in their mouths when they are getting fluoride treatments. You want to get 100% coverage on all tooth surfaces.

Can one add fluoride manually to your drinking water?

Description : Can one add fluoride manually to your drinking water?

Last Answer : A neighbour of mine collected rainwater but wanted her children to have fluoride for their teeth, so they used to take fluoride tablets, weekly I think.

How do you feel about the government putting fluoride in your drinking water?

Description : How do you feel about the government putting fluoride in your drinking water?

Last Answer : How do you feel from a doctor stand point?

Would it be prudent to add fluoride to sugary drinks?

Description : Would it be prudent to add fluoride to sugary drinks?

Last Answer : Nope. Wouldn’t offset the damage, and too much fluoride isn’t good for you.

How does one avoid fluoride in drinking water?

Description : How does one avoid fluoride in drinking water?

Last Answer : You could drink bottled water that doesn’t contain fluoride. Or you could get a water treatment system for your home.

Has anyone successfully removed fluoride from their municipal water supply?

Description : Has anyone successfully removed fluoride from their municipal water supply?

Last Answer : answer:It depends on dosage. Exaggerated anxiety about it will cause greater harm. A 1994 World Health Organization expert committee suggested a level of fluoride from 0.5 to 1.0 mg/L ( ... or all fluoride. http://en.wikipedia.org/wiki/Water_fluoridation http://en.wikipedia.org/wiki/Water_filter

What fluoride Reading should I be getting in a zinc phospate bath?

Description : What fluoride Reading should I be getting in a zinc phospate bath?

Last Answer : [Removed by Fluther via internal edit] Now unless you have the answer please do not comment. Unlike youself who is probably retired, I do not have as much time on my hands as I ... , and we are currently experiencing some problems with the aluminium not getting a sufficient coating of zinc.