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Calcium is in period 4 and group 2 of the Periodic Table based on its atomic number and electron configuration. It has an atomic number of 20, which means it has 20 protons and, in a neutral atom, 20 electrons. The electron configuration of calcium is (1s^2 2s^2 2p^6 3s^2 3p^6 4s^2), indicating it has two electrons in its outermost shell (the fourth energy level), placing it in group 2 (the alkaline earth metals). Additionally, the periodic table is structured such that elements are arranged by increasing atomic number, with groups indicating similar chemical properties.

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6d ago

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Related Questions

What periodic period is calcium in?

Calcium is present in period 4. its group no. is 2


What period is calcium in?

Calcium is present in period 4. its group no. is 2


What is the symbol of element in Period 4 and Group 2?

The element in Period 4 and Group 2 is Calcium, which has the chemical symbol Ca.


Were is calcium found on the periodic table?

Calcium belongs to group-2.the period no. is 4


Which element is located at group 2 period 4?

In the periodic table, the Group 2, Period 4 element is calcium. Calcium is classified as a silvery-gray metal. Calcium is the most abundant of the metallic elements in the human body.


What group is calcium?

Calcium is in group 2 of the Periodic Table. The group consists of beryllium, magnesium, calcium strontium, barium and radium. Calcium is in period 4.


What period on the periodic table does calcium belong to?

it is under group 2 and it is considered to be an alkaline-earth metal


Where is calcium ont the periodic table?

group 2, period 4


How many outer shell electrons does calcium have?

The calcium atom has 2 outer shell electrons. It's configuration is: [Ar] 4s2 it also has 2 inner shell electrons


What block is calcium?

Calcium is in the s-block with the electron configuration of (Ar)4s². It's group is group 2 (calcium earth metal ) in period 4 of the Periodic Table


What element is in period 4 and is metallic and has 20 electrons?

calcium (Ca)


What element is in group 4 and period 2 on the periodic table?

Group 4 elements on the periodic table contain no period 2 elements whatsoever.