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What is an element easy definition?
element. [ ĕl′ə-mənt ] A substance that cannot be broken down into simpler substances by chemical means. An element is composed of atoms that have the same atomic number, that is, each atom has the same number of protons in its nucleus as all other atoms of that element.
What is element example?
A chemical element refers to the pure substance of one type of atom. For example, carbon is an element comprised of atoms having the same number of protons, i.e. 6. Common examples of elements are iron, copper, silver, gold, hydrogen, carbon, nitrogen, and oxygen.
What is an element GCSE?
• An element is a substance that consists of only one type of atom and it cannot be broken. down into anything simpler by chemical means.
What is an element BBC?
An element is a substance that cannot be broken down into any other substance. There are about 100 elements, each with its own type of atom. Everything in the universe contains the atoms of at least one or more elements. The periodic table lists all the known elements, grouping together those with similar properties.
How do you describe an element?
An element is a substance whose atoms all have the same number of protons: another way of saying this is that all of a particular element’s atoms have the same atomic number. Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.
Who gave definition of element?
The word element was first given by Rebert Boyle. It is defined as the simplest chemical substance that cannot be broken down during a chemical reaction.
What is element give 2 examples?
an element is a substance that cannot be split into simpler substances by a chemical means . for example – hydrogen, oxygen, nitrogen, carbon, iron, aluminium, copper, silver and gold some example of elements.
What is element topper?
A pure substance which is made up of only one kind of atom and cannot be broken into two or more simpler substances by physical or chemical means is referred to as an element. An element is homogeneous in nature; it is a pure substance, made up of only one kind of atoms.
What are the four basic elements?
Science Lesson: Earth, Water, Air, and Fire. The ancient Greeks believed that there were four elements that everything was made up of: earth, water, air, and fire.
What are types of elements?
Elements can be classified as metals, metalloids, and nonmetals, or as a main-group elements, transition metals, and inner transition metals.
How many elements are there?
118 elements
At present, 118 elements are known to us. All these have different properties. Out of these 118, only 94 are naturally occurring. As different elements were being discovered, scientists gathered more and more information about the properties of these elements.
Who first defined element?
The atomic hypothesis is usually credited to the Greek philosopher Democritus, who considered all matter to be composed of atoms of the four elements—earth, air, fire, and water.