Examples of Elements

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Last updated on September 30th, 2019 at 03:29 pm

An element is a species of an atom that has an equal number of protons in their atomic nuclei. The number of protons in an atom is called the atomic number and is denoted by Z. Let us take an example of Oxygen. An oxygen atom has eight protons in its nuclei. Therefore the atomic number of Oxygen is 8. However, an element may have different numbers of neutrons in their nuclei.

Elements having different numbers of neutrons are called isotopes. Two of the lightest elements are Hydrogen and Helium. The three most abundant elements in the earth’s crust are Oxygen, Silicon, and Aluminium, respectively.

Below we mention 20 examples of elements.

20 Examples of Elements

Name Symbol Atomic Number
Hydrogen H 1
Helium He 2
Lithium Li 3
Beryllium Be 4
Boron B 5
Carbon C 6
Nitrogen N 7
Oxygen O 8
Fluorine F 9
Neon Ne 10
Sodium Na 11
Magnesium Mg 12
Aluminum Al 13
Silicon Si 14
Phosphorus P 15
Sulfur S 16
Chlorine Cl 17
Argon Ar 18
Potassium K 19
Calcium Ca 20

Examples of 5 Most Abundant Elements on Earth’s Crust

  1. Oxygen (46.6%)
  2. Silicon (27.7%)
  3. Aluminum (8.1%)
  4. Iron (5%)
  5. Calcium (3.65%)

Did you Know?

Astatine is the rarest natural element on Earth. It’s so rare that there are just 30 grams of Astatine present in the Earth’s crust.