21 мар. 2018 г. · No. Explanation: Elements are pure substances BUT they can exist as isotopes which are different forms of the same atom. |
Composition of Elements: The compound that is represented by different ratios of the elements, then the compound is known as having variable composition. |
7 апр. 2021 г. · In chemistry, a chemical substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be ... What is the difference between 'uniformly mixed' and 'variable ... Does a homogenous mixture have a definite composition? Why do elements have variable valency? - Quora Can the composition of homogeneous mixtures vary? - Quora Другие результаты с сайта www.quora.com |
In Mixtures and Pure Substances. A mixture is a substance with a variable composition, meaning that it is composed of molecules or atoms of differing types. |
Variable composition – you can vary the amount of each substance in a mixture, Definite composition – there is a fixed amount of each element in a compound. |
15 февр. 2023 г. · Elements have a number of properties that are unique ... can have variable composition, meaning the proportion of the components can vary. |
A mixture can have variable composition, depending on the proportions of the mixed substances. A pure substance is a form of matter with a uniform composition ... |
Variable composition is one indication of a mixture. In a mixture of magnesium and selenium, the two elements maintain their individual properties. |
7 нояб. 2023 г. · Compounds are substances formed by chemically combining elements. They have a fixed composition of elements, meaning that they always contain the same ratio of ... |
Match the following:i Can have variable composition of constituent elements A Compound ii 1|c| is new substance formed due to reaction of two constituent ... |
Novbeti > |
Axtarisha Qayit Anarim.Az Anarim.Az Sayt Rehberliyi ile Elaqe Saytdan Istifade Qaydalari Anarim.Az 2004-2023 |