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No, the elements sodium (Na) and magnesium (Mg) are in Period 3, while silicon (Si) is in Period 3 in the periodic table of elements. Sodium is in group 1, magnesium is in group 2, and silicon is ...
Best Answer. Three. Wiki User. ∙ 11y ago. More answers. AnswerBot. ∙ 3mo ago. Magnesium's period number is 3. It is found in period 3 of the Periodic Table.
What is magnesium's group and period on the periodic table? Magnesium's group number is 2. Its period number is 3.
The number of period of periodic table represents the number of electronic shells (energy levels) i atoms, The Magnesium atom has three electronic shells (2,8,2) so it is in 3rd period.
AnswerBot. ∙ 3mo ago. Tellurium is a member of Group 16 (also known as the chalcogens) and period 5 on the Periodic Table. Wiki User. ∙ 11y ago. Tellurium is a metalloid that is in group 16 on ...
Best Answer. Potassium belongs to group-1. It has one valence electron. Wiki User. ∙ 9y ago. More answers. AnswerBot. ∙ 3mo ago. Potassium is in period 4 and group 1 of the Periodic Table.
The element in group 2 period 3 is magnesium. It has an atomic number of 12 and belongs to the alkaline earth metals group. The element in group 2 period 3 is Magnesium (mg) atomic number (12 ...
Mass number of magnesium. Magnesium is a metal element. Atomic Mass of it is 24. The mass number of magnesium is 24. This is calculated by adding together the number of protons and neutrons in the ...
What is element Mg on the periodic table? Magnesium (Mg) is a chemical element with the atomic number 12 and is located in Group 2 (or 2A) and Period 3 of the periodic table.
Best Answer. The period tells us 3 things: # As you go from left to right across each period, the number of protons in the nucleus increases # As you go from left to right across each period, the ...