Mass
mass
A [proper] fraction.
Yes.
It is a proper fraction.
A number that compares part of an object or a set with the whole object or set is called a fraction. A fraction represents a division of the whole into equal parts, with the numerator indicating the number of parts taken and the denominator representing the total number of equal parts in the whole. For example, in the fraction 3/4, 3 signifies the part, while 4 signifies the whole set.
You may be reaching for "fraction".
That is the specific gravity of the substance.
The number that compares an object's density to the density of water is called specific gravity. It is a unitless quantity representing the ratio of the density of a substance to the density of water.
A ratio that compares the first number of two ratios Ex: 3/10 and 4/10 3/4 would be the part to part ratio
A balanced scale, which compares the mass of one object with that of a known quantity.
A percent is a ratio, or rate, that compares a number to100
Specific gravity is a measurement that compares the density of an object to the density of water. It tells you how much heavier or lighter an object is compared to an equal volume of water.