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What determines the order in which the component elements of binary compounds are written?
Wiki User
∙ 12y ago
The normal convention is to write the part of the molecule that is less electronegative first then the part that is more electronegative. This has the effect of writing the cation then the anion. For instance, carbon dioxide is written as CO2. Why not write it as O2C and call it dioxygen monocarbide? Once again, we write the less electronegative element first which is C in the example. That is the way to deal with all of the binary molecular compounds.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoThe less electronegative of the elements is named first.
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Why do some symbols of some elements have two letters rather than one?
Some chemical elements have two-letter symbols. The first is written as a capital, and the second small (lower case). Examples: gold = Au iron = Fe
What are the essential elements of a cheque?
The essential elements of a cheque include the name of the bank, account payee, payee of whom the cheque is written to, date of the cheque, the payment amount written in words and numbers, serial number of the cheque, the bank state and branch code, and the account number. A signature must be signed at the bottom signature line for the payee to present the cheque.
Are you able to have half an element in a compound?
No, because it is not possible to have half an element. Every atom is an element of some kind and if you split it in half or any other fraction it will become another element. Sometimes formulas are written as if there are half atoms or molecules but this is only because one of them is the important part. The calcium carbonate cement is composed of is one common example. It is often written as CaCO3.1/2 H2O because it is the calcium carbonate which is the important part. It really should be 2CaCO3.H2O
Why is sulfur calcium wrong?
In compounds consisting of a metal and nonmetal, the metal (calcium) is written first and the nonmetal (sulfur) has the end replaced with -ide. So the correct name for a compound of calcium and sulfur is calcium sulfide.
Which element comes first in a chemical formula?
The order of compounds doesn't make a big difference, but the order for each of the elements within the compound does.Example:Ca + Cl2 -> CaCl2As you can see on the right side, Calcium is placed in front of Chlorine, because in this case Calcium is a cation (positive ion) and Chlorine is an anion (negative ion). In compounds like this, the cation (positive) element is placed first, and the anion (negative) element is placed second.The order on the left side doesn't really matter, seeing as there, Calcium and Chlorine are not bonded, although you will typically find that even though they are separate, they are still usually placed positive ion first and negative ion second, as shown.
How is elements related to compounds?
Elements are the "building blocks" used to "build" compounds. Elements are the "letters of the alphabet" with which the "words" of compounds are "written". Not perfect analogies, but they should give you an idea.
Compounds can be written using?
two or more elements
How are symbols written of elements?
They are usually written simply as they are noted as on the Periodic Table. There are several more complicated rules concerning how compounds are written.
What gets written in to a chemical reaction when it is balanced?
Numbers in front of some of the symbols of the compounds and elements -Apex
How many capitalletters does a elements have?
Chemical elements and compounds are written with lower case letters. Only for chemical symbols do you use capitals, such as Cu for copper, etc.
How would Dalton describe atoms that combine to form compounds?
Dalton pictured compounds as collections of atoms. For example, nitrogen and oxygen might form a compound containing one atom of nitrogen and one atom of oxygen (written NO), a compound containing two atoms of nitrogen and one atom of oxygen (written N2O), or a compound containing one atom of nitrogen and two atoms of oxygen (written NO2)
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