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The first element in a period is always an active?
That is not true. The first element in a period may be active or inactive, depending on the specific electron configuration of the element. For example, the first element in period 1, hydrogen, is not considered an active element.
What element is the first element in the fourth period?
The first element in the fourth period of the periodic table is potassium (K).
Each element in a period group called?
Each element in a period is in a transitional metal.
First element locate in period 3?
The first element in period three of the periodic table of chemical elements is sodium (Na).
What is the fourth element in the the fourth period?
The first element in the fourth period of the Periodic Table is potassium (K).
What is the first element in the first period in the periodic table?
hydrogen
What period is the name He element in?
Helium is in the first period of the periodic table.
What is the first element in the fourth period?
The first element in the fourth period of the periodic table is potassium with the atomic number 19.
The first element in the fourth period?
Potassium
What element is in group 3 period 6?
There is no element in period 3 group 6. The element at period 3, group 16 (called on very old periodic tables group VIA) is sulfur (S).
The atomic number of sodium the first element in Period 3 is 11 The atomic number of the second element in this period is?
The second element in Period 3 is Magnesium, with an atomic number of 12.
What is the first element in the fourth period of the periodic table?
It is potassium.
