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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
3
1
There are eight third period transition elements on the periodic table.
The 3rd shell can contain 18 electrons. The elements that have a 3rd shell as the outer shell are the the elements in period 3, where the 3s and 3p orbitals are filled to a maximum of 8 electrons. The 3d orbitals are filled in the 4th period in the transition elements.
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 periodic table of elements does not contain laws, only elements.
The answer is 40
3
there are 32 elements in period 6.
There are 18 elements in period 4.
NaHCO doesn't exist; NaHCO3 contain 4 elements.
They are many as the oxides of many elements.