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Q: Does a ratio need to be a whole number?

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Simple whole number ratio implies that ratio of the elements in a compound is a whole number i.e. the ratio of elements bear whole number. For example in Cu2O, Cu and O combine in a simple whole number ratio of 2:1.

Many people find whole number ratios easier to understand.

What is

Every whole number can be expressed as the quotient or ratio of other whole numbers, and whole numbers ARE integers.

It is the ratio of one whole number to another whole number, which may be expressed as a fraction. The ratio (or fraction) may be simplified by dividing both numbers by the greatest common factor.

-- Any number that can be written as the ratio of two whole numbers is a rational number.-- Any whole number can be written as the ratio of that number to ' 1 ', so it's rational.

Yes it is esssentially that number to one ratio five written as a ratio would be a five to one ratio

Emperical formula give the smallest whole number ratio of atoms in a compound

The simplest whole number ratio of atoms in a compound is 1.

both!

4.8 is the ratio 48/10 . You can never write 4.8 as a singlewhole number, simply because 4.8 is not a whole number.

It is 25 : 10

55:100

formula unit

1:2

Empirical Ratio

46 : 83

All whole numbers are rational. 10 = 10/1, as a ratio

Because as a ratio in its simplest form, the denominator is 1.

Yes, by definition. A rational number is one that can be written as a ratio (hence rational) of two whole numbers. And a ratio of two whole numbers is a fraction.

No it cannot. Any whole number, n, can be written as the ratio n/1 where n is an integer. Since it can be expressed as a ratio of two integers, it is rational and so cannot be irrational.

empirical formula

The simplest whole number ratio of elements in a compound.

In simple whole number ratios

Because any whole number, k, can be expressed in the form k/1 which is a ratio of two integers. Since it can be expressed as a ratio of two integers it is a rational number.