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The element with the atomic number 15 is phosphorus. Together with calcium, hydrogen, and oxygen it forms the hydroxyapatite, Ca5(PO4)3OH, which is found in both bones and tooth enamel.

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13y ago

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What element has fifteen protons?

Phosphorus.


What element is the fifteen in the solar system?

Phosphorus


What is the recommended daily amount of calcium for a fifteen year old boy?

198mg


What is the difference of calcium needed between a 15 year old and a 30 year old?

When you become older, your bones start to detrirate, and they relase calcium from your bones, making them weaker. A fifteen year old wont have that happening, meaning a fifteen year old woukdnt need as much of an intake of calcium than the thirty year old.


How many atoms are in calcium acetate?

The chemical formula for the ionic compound calcium acetate is Ca(C2H3O2)2. The subscripts for each element indicate the number of atoms of that element. The absence of a subscript is understood to mean one atom. The two outside the parentheses means that the number of atoms of each element inside the parentheses is multiplied times two. So, in one formula unit of calcium acetate, there are fifteen atoms; one of calcium, four of carbon, six of hydrogen, and four of oxygen.


Does a element has only one kind of atom?

No! u silly head! An element can have a variety of atoms! When an element has more then five atoms, the average amount of atoms, it is called Anise. When there is more than fifteen, it is called Anisus.


What does it mean when test strength of beading thread is said to be fifteen lbs?

That is the amount of weight it will take to pull on the thread to break it.


What level do you need to be in strength to hit fifteen's on dummies in runescape?

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How many atoms are in C3?

There are 3 carbon atoms in a molecule of C3, as indicated by the subscript "3" following the element symbol C.


What is fifteen add fifteen add fifteen add fifteen?

15+15+15+15=60


How long is fifteen feet?

Fifteen feet is fifteen feet long.