What is composed of two or more substances chemically combined in a fixed position?
A substance containing two or more elements chemically combined in a fixed ratio is called a compound.
Which of the following is composed of two or more substances?
A material composed of two or more substances is a mixture. A substance that can be broken down into chemically simpler components (because it has more than one element) is a compound. For example, water is a compound composed of the elements hydrogen and oxygen.
When two or more substances mix together in a definite ratio?
A compound is a chemical substance that forms when two or more different elements combine in a fixed ratio.
WHAT IS elements are abbreviated with which consist of one or two?
Chemical symbols are the abbreviations used in chemistry for chemical elements, functional groups and chemical compounds. Element symbols for chemical elements normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised.
Are formed when two or more substances are combined physically?
A mixture is created when two or more different substances are physically combined and can be separated back into its original substances. A chemical reaction occurs when two or more substances are combined to form a new substance and cannot be separated back into its original substances.
How are two elements combined to form a substance?
Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound. All compounds are substances, but not all substances are compounds.
Which is a compound that is always composed of the same element?
-a compound that is composed of two or more elements always combined in the same proportion. sodium and chlorine. combined. in different proportions. uniform throughout. •the different parts of the mixture are not visible. homogeneous mixtures. Some another. A) compound.
What’s the difference between a mixture and a substance?
A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded. A heterogeneous mixture is a mixture of two or more chemical substances where the various components can be visually distinguished.
What is the definition of a homogeneous mixture?
-a type of matter with a fixed or definite composition. -a compound that is composed of two or more elements always combined in the same proportion. sodium and chlorine. combined. in different proportions. uniform throughout. •the different parts of the mixture are not visible. homogeneous mixtures.