Period 1: 2 elements Period 2: 8 elements Period 3: 8 elements Period 4: 18 elements Period 5: 18 elements Period 6: 32 elements Period 7: 25 elements
103
There are 2 elements in the first period of the periodic table: Hydrogen and Helium.
There are eight third period transition elements on the periodic table.
Eight. Sodium, Magnesium, Aluminium, Silicon, Phosphorous, Sulfur, Chlorine, Argon
Period 1: 2 elements Period 2: 8 elements Period 3: 8 elements Period 4: 18 elements Period 5: 18 elements Period 6: 32 elements Period 7: 25 elements
8 elements
103
(Cu4O2) contain two elements: copper and oxygen.
The answer is 40
The periodic table of elements does not contain laws, only elements.
there are 32 elements in period 6.
There are 18 elements in period 4.
18
There are 2 elements in the first period, 8, 8 elements in 2nd and 3rd periods respectively,
There are 2 elements in the first period of the periodic table: Hydrogen and Helium.
There are 8 elements in the third period of periodic table. The elements belong to group-1,2,13,14,15,16,17 and 18