What is an Element

What is Element ?

Definition of Element

          Substance which consists of only one type of atom is known as element.
So we can say that, an element is a substance which is made up entirely from the one type of atom.

Example of Element

what is element in science
Element Hydrogen, Element Carbon, Element Oxygen, Element Nitrogen, Element Chlorine, Element Iron, Element Copper, Element Gold, Element Silver, etc.
Element Carbon is made from atoms containing six protons, six neutrons and six electrons. Symbol of element carbon is ‘C’. Atomic Number of element carbon is 6. Atomic Mass of element carbon is 12.0107 amu. Melting Point of element carbon is 3500.0 °C (3773.15 K, 6332.0 °F). Boiling Point of element carbon is 4827.0 °C (5100.15 K, 8720.6 °F). Element Carbon is classified as Non-metal. Crystal Structure of element carbon is Hexagonal. Density @ 293 K of element carbon is 2.62 g/cm3. Color of element carbon is generally black.
If you wish to change the number of protons in an atom than ultimately you change the type of element.
Elements are the substance that consists of only one type of atom.
Molecule has two different atoms.
Elements contains one or more of same type of atom.

Elements Example-

  1. Element Hydrogen – 1 proton per atom
  2. Element Carbon     – 6 protons per atom
  3. Element Oxygen    – 8 protons per atom
  4. Element Copper     – 29 protons per atom
  5. Element Gold         – 79 protons per atom

Labeling of Element inPeriodic Table

2      -     Proton Number- it shows what element it is. (Atomic Number)
He   -     Name of the Element
4     -      Total Atomic Weight- Number of Protons + Number of Neutrons.
by Chemistry Notes Info @ www.chemistryNOTESinfo.com


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