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A general rule is metal(M) first and non-meta(X)l second.
As MX .
e.g. NaCl , MgO
NB In acids the hydrogen comes first . e.g. HCl , H2SO4 , HNO3 & H3PO4
lenpollock
Wiki User
∙ 6y agoStart with the symbols for the 2 elements, such as sodium (Na) and Chlorine (Cl) that combine to form the compound NaCl (table salt)
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Is mercuric oxide an element or compound?
It's a compound. Its formula is HgO, which is a combination or two or more elements.
Does the formula Al2S3 represents a binary compound?
Yes, aluminium sulfide is a binary compound because contain two elements.
What elements are in the compound with the formula CO2?
The elements Carbon, and 2 Oxygen atoms form CO2 or Carbon Dioxide.
Is MgO a ionic compound?
No. MgO is a compound called magnesium oxide. It is composed of two elements: magnesium and oxygen.Hint: if the chemical formula contains more than one capital latter than the substance is not an element.
How many elements does h2so have?
A compound with the chemical formula H2SO is not known. Water (H2O) contain two elements. Sulfurous acid (H2SO3) contain three elements. ...etc.
How are the words molecucle compound amd formula related?
A molecule is two or more elements bonded together, and a compound is a molecule containing at least two elements. The word formula fits in to tell you whether you have a compound or a molecule by telling you the number of elements (atoms) in the molecule.
Is mercuric oxide an element or compound?
It's a compound. Its formula is HgO, which is a combination or two or more elements.
How many different elements are there in the compound with the formula NH3?
there are two elements: nitrogen (N) and hydrogen (H)
What is made from two or more elements and has a chemical formula?
This is the molecule of a new compound.
How do you write a binary compound?
Account is taken of the valency of the two elements.
How do you identify the number of elements in a compound?
The number of elements in a compound can be determined by looking at the chemical formula and identifying each element's symbol. For example, the compound CO2 has two elements, carbon and oxygen. Another example, glucose, has the formula C6H12O6, and has three elements, carbon, hydrogen, and oxygen.
Does the formula Al2S3 represents a binary compound?
Yes, aluminium sulfide is a binary compound because contain two elements.
What indicates a compound element?
the compound elements is the combination of two or more elements chemically examples: H20= it means that it is compound elements because the combination of HYDROGEN AND OXYGEN is showned by the formula^_^
Is magnesium oxide a mixture of two common elements?
No, it is a compound, not a mixture. Its formula is MgO, and it contains Magnesium and Oxygen (two fairly common elements).
Is Pure water an element or a compound?
Pure water is a compound as it consists of two elements, hydrogen and oxygen. Its chemical formula is H2O.
Is pure water a compound or element?
Pure water is a compound as it consists of two elements, hydrogen and oxygen. Its chemical formula is H2O.
Which two elements make nickel iodide?
It is a ionic compound. It is made out by Ni and i2.
