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Compare and contrast elements and compounds.?
Substances are either elements or compounds. Elements are substances in their simplest form that cannot be separated further through chemical reactions. Examples of elements are oxygen (O2), carbon (C2), and hydrogen (H2). Compounds are compositions of two or more elements. Examples of compounds are water (H2O), carbon dioxide (CO2), and sodium chloride - table salt (NaCl).
Is steel a metalloid?
No, steel is an alloy of metals as opposed to an element. Elements can be metalloids, but compounds cannot.
What are two was in which mixtures differ from compounds?
A compound comprises the same proportion of its components, a mixture can be made up of varying amounts.A compound may have physical and chemical properties which are quite different to those of any of its components. A mixture retains many of the physical and chemical properties of its main ingredient.
The most basic of all things in physics and the material world is?
Atoms, molecules made of numerous types of atoms, compounds which are made of molecules and elements which are made of atoms.
What is the difference between elements compounds and important mixtures?
Elements are atoms that consist of different protons. They are the simplest thing that defines an atom. The only thing that defines them is the number of protons, electrons and neutrons they have, as all protons, electrons and neutrons are identical. (I think) Compounds are elements joined chemically together. They must be in a set ratio (e.g. water must be 2 hydrogen atoms and 1 oxygen atom) They can only be separated chemically (e.g electrolysis). Mixtures are stuff that contain different substances or materials. They are not bonded together chemically. There is no set ratio, unlike compounds. They can be separated by physical methods. (for example, salt in water is a mixture. They can be separated by distillation.)
How does elements differ to compounds?
Elements are single, however compounds are made up of two or more elements.
How does combining elements into compounds affect their properties?
The properties of the compound will differ from the properties of the elements of which it is made.
Why dont compounds differ from mixtures?
Compounds differ from mixtures because compounds have a fixed chemical composition with elements chemically bonded in a specific ratio, while mixtures can vary in composition with no fixed ratio. Compounds have specific properties different from their constituent elements, while mixtures retain the properties of their components.
How do compounds differ from elments?
Compounds is a pure chemical substance made of two different elements. Elements is pure chemical substance containing only one atom.
How do compounds differ from elements?
Compounds are made up of 2 or more elements.Compounds can be broken down into simpler substances by chemical means, but elements cannot.Compounds are made up of 2 or more elements. Compounds can be broken down into simpler substances by chemical means, but elements cannot.
How do the four major organic compounds differ?
They differ in some of the elements from which they are made and are:- 1 Carbohydrates 2. Lipids 3. proteins 4. Nucleic Acids
How do elements differ from compounds, and in what ways are they similar?
Elements are substances made up of only one type of atom, while compounds are substances made up of two or more different types of atoms chemically bonded together. Elements are the simplest form of matter, while compounds are more complex. Both elements and compounds are pure substances, meaning they have a fixed composition and properties.
How do compounds differ from different?
An atom is the smallest particle there can be and can't be broken down any further while compounds are composed of two or more different atoms of elements.
How do atoms differ from compounds?
An atom is the smallest particle there can be and can't be broken down any further while compounds are composed of two or more different atoms of elements.
How do elements relate to compounds?
Chemical compounds are formed from chemical elements.
How do elements differ from the compounds they form?
Elements are pure substances made up of only one type of atom, while compounds are substances made up of two or more different types of atoms chemically bonded together. Elements cannot be broken down into simpler substances by chemical reactions, whereas compounds can be broken down into their constituent elements through chemical reactions. Elements are the building blocks of compounds.
In what ways do compounds differ from their component elements?
The properties of a compound differ from the properties of its component elements. For example, at room temperature, hydrogen and oxygen are odorless, colorless gases. Hydrogen gas is highly flammable, and oxygen gas supports combustion. They combine chemically to form water molecules. At room temperature, water is a liquid, and is not flammable and does not support combustion.
