FAQ: What Does The Group Number On The Periodic Table Mean?

What does the group number usually tell you?

The group number tells you the total number of electrons present in the outermost orbit of an atom. In other words, group number tells you the number of valence electrons of an atom. For example, Let us consider group 1 of the Periodic table.

What do periods group numbers stand for on the periodic table?

D. Updated August 10, 2019. Groups and periods are two ways of categorizing elements in the periodic table. Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period.

How do you find a group number?

Complete step by step answer:

  1. If the element is in s block, then the group number is equal to the number of valence electrons.
  2. If the element is in the p block, then the number of the group can be determined by the formula: (number of valence electrons + 10).

What does group no and period No indicates?

If you are given with the atomic number of an element you can find it’s period number and group number. The period number is related to the number of electron occupied shells in the element and the period number is linked to its valence electrons.

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What family is Group 16?

Group 16 is the oxygen family. It consists of the elements oxygen, sulfur, selenium, tellurium, and polonium. Each has six of the desired eight electrons required for the octet in its highest energy level.

How many elements does period 6 have?

The sixth period contains 32 elements, tied for the most with period 7, beginning with caesium and ending with radon.

What are the names of the 8 groups in the periodic table?


  • Group 1: alkali metals, or lithium family.
  • Group 2: alkaline earth metals, or beryllium family.
  • Group 3: the scandium family.
  • Group 4: the titanium family.
  • Group 5: the vanadium family.
  • Group 6: the chromium family.
  • Group 7: the manganese family.
  • Group 8: the iron family.

Do all insurance cards have a group number?

If you have health insurance through work, your insurance card probably has a group plan number. The insurance company uses this number to identify your employer’s health insurance policy. As an employee, you are covered by that policy. Not all insurance cards have a group plan number.

Is a group number the same as a policy number?

Your policy number on your health insurance card will not be the same as your group number. The policy number on health insurance refers to your individual member number, but the group number is different. Normally, your group number refers to your employer or where you get your insurance coverage from.

What group number is arsenic in?

Arsenic, atomic number 33 lies in between phosphorus and antimony in group 15, the so called Nitrogen group of the periodic table.

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What indicates the period number?

In the periodic table, the period number indicates the number of outermost shells and not the number of electrons, protons and neutrons.

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