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What is the ratio of nitrogen atoms N to oxygen atoms O in a compound with the formula N2O5 is the same as the compound NO2?
These ratios are not identical. In N2O5 the ratio is 2/5. In NO2 the ratio is 1/2.
The lowest whole number ratio of the elements in a compound is called the?
An empirical formula refers to the chemical formula that indicates the simplest ratio of atoms in a compound. Two different compounds may have the same empirical formula.
What is an example of the law of constant composition?
A compound always contains the same elements in the same proportions by mass. This is a formal way of saying that a compound always has the same formula, no matter how it is made or where it is found.
Does a compound have compositions that vary?
Yes, the composition of a compound is fixed and consistent, always containing the same ratio of elements. This is a fundamental characteristic of compounds and is defined by their chemical formula.
Which best describes john Dalton's observations of elements in any given compound?
Dalton discovered that the atoms that combine to form compounds are distinguished from one another by their atomic weights. He also learned that all atoms of a given element are identical.
Is a chemical compound always made of the same atoms in the same ratio?
yes
A is a substance composed of two or more kinds of atoms always in the same ratio?
a compound
A substance composed of two or more kinds of atoms always in the same ratio?
This substance is called a compound. Compounds are formed when atoms of different elements chemically bond together in fixed proportions. The ratio of these atoms in a compound is constant and is represented by a chemical formula.
What does a compound have that is always in a particular compound?
Same type of atoms.
What is the ratio of atoms?
A chemical formula gives the number ratio of the different kinds of atoms present in the compound. This means that the ratios are the same if you count in individual atoms, dozens of atoms, or molecules of atoms.
Why are subscripts in a chemical formula whole numbers?
Subscripts in a chemical formula are whole numbers because they represent the ratio of atoms in a compound. They indicate the number of atoms of each element present in the compound in the simplest whole number ratio. This is based on the law of constant composition, which states that a compound always contains the same elements in the same proportion by mass.
If matter is made up of two or more elements and has the same ratio of atoms no matter the amount of the substance it is an?
If matter is made up of two or more elements and has the same ratio of atoms no matter the amount of the substance, it is a compound. A compound is a substance composed of two or more elements chemically bonded together in a fixed ratio.
It is possible for different covalent compounds to have the same empirical formula because empirical formulas represent?
the simplest whole-number ratio of atoms in a compound. Different covalent compounds can have the same empirical formula if they have different molecular structures that still result in the same ratio of atoms.
What always stays the same in a compound?
a compound always has the same chemical formula
What is the ratio of elements in a compound?
The ratio of elements in a compound is determined by the number of atoms of each element present in the compound. This ratio is represented by the chemical formula of the compound, showing the types and numbers of atoms involved in the chemical bonding.
Which type of substance is composed of two or more different kinds of elements always in the same ratio?
Two or more different elements that are chemically combined in a definite ratio is a compound. Based on the nature of the bonds, it can be called an ionic compound (i.e. atoms bonded together by ionic bonds) or an molecular compound (i.e. atoms bonded together by covalent bonds).
Are elements that make up a compound always present in the same proportions?
No, elements in a compound are not always present in the same proportions. The ratio of elements in a compound is determined by its chemical formula.
