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Q: what element comprise over 90% of the human body
A: Most of the human body is made up of water, H2O.
Expert answered|hernandezv86|Points 126|
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Asked 9/9/2012 3:21:39 PM
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Elements are specifically arranged on a chart called ?
Weegy: Elements are specifically arranged on a chart called the PERIODIC TABLE. (More)
Question
Expert Answered
Updated 5/1/2014 3:24:20 AM
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define hydroxie ion
Weegy: Hydroxide is a polyatomic ion consisting of oxygen and hydrogen: H- It has a charge of -1. Hydroxide is one of the simplest of the polyatomic ions. A group of bases containing hydroxide are called hydroxide bases. [ Hydroxide bases will dissociate into a cation and one or more hydroxide ions in water, making the solution basic. This makes hydroxides alkalis, which may undergo neutralisation reactions with acids. In general acid-alkali reactions can be simplified to OH-(aq) + H+(aq) ? H2O(l) by omitting spectator ions. ] (More)
Question
Expert Answered
Updated 5/8/2014 3:17:10 AM
1 Answer/Comment
The hydroxide ion is a particle with a negative one (-1) charge that has two atoms: one oxygen atom and one hydrogen atom.
Added 5/8/2014 3:08:10 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [5/8/2014 3:16:48 AM]
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