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Elements combine according to the electrons in their outer shell. These allow only certain combinations which form a ratio. Oxygen has 2 + in its outer shell. Hydrogen has 1 - in its outer shell. So the ratio is always 2:1.
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Do elements that combine in changing ratios form mixtures?
No, compounds are formed.
What forms a compound?
Atoms of elements combine in fixed ratios will form compounds.
What Elements combine in fixed mass ratios to form compounds This must mean that elements?
Elements are composed of discrete units called atoms.
Did Dalton's atomic theory state that atoms of different elements combine in simple whole-number ratios can form compounds?
John Dalton, the father of modern chemistry, said that atoms combine in simple whole-number rations to form compounds.
What compounds form the element gadolinium and how are they used?
Compounds do not form elements. Elements form compounds.
What type of matter is made of elements in a specific ratio that is always the same?
Elements combined in specific ratios form compounds.
Do elements that combine in changing ratios form mixtures?
No, compounds are formed.
What forms a compound?
Atoms of elements combine in fixed ratios will form compounds.
What Elements combine in fixed mass ratios to form compounds This must mean that elements?
Elements are composed of discrete units called atoms.
Did Dalton's atomic theory state that atoms of different elements combine in simple whole-number ratios can form compounds?
John Dalton, the father of modern chemistry, said that atoms combine in simple whole-number rations to form compounds.
What compounds form the element gadolinium and how are they used?
Compounds do not form elements. Elements form compounds.
Can two completely different compounds contain identical elements?
No. The chemical formulas for the two compounds would be different as the ratios were different. For example there are three different oxides of iron which obviously contain the same two elements but these are in different ratios:- FeO Fe3O4 Fe2O3
What are compounds and why do they form?
A compound is a substance that consists of two or more elements that are chemically combined in specific proportions.
Are all elementsmade of compounds which may combine to form molecules?
No. Elements are not made of compounds. Elements may be combined to form compounds.
When elements and compounds combine to form new compounds the reaction is described in a?
When elements and compounds combine to form new compounds the reaction is described in a chemical equation.
What do elements combine to form?
Elements combine to form chemical compounds.
Do compounds not have the same properties as the elements that formed them?
True. Compounds do not have the same properties as the elements that form them.
