The elements that belong to the third period of the perio...
The elements that belong to the third period of the periodic table are?
Li, Be, Al and P
Na, P, O and Cl
B, C, N and O
Na, Mg, S and Ar
Correct answer is D
Elements in period 3 have 3 shells in their atomic structure.
These include elements from sodium to argon.
The number of atoms of chlorine present in 5.85g of NaCl is [Avogaro's Number = 6.02 x 1023]...
In the electrolysis of CuSO4(g) using platinum electrodes, the reaction at the anode is ...
A characteristic of the alkane family is ...
Clothes should be properly rinsed with water after bleaching because? ...
3CuO(s) + 2NH3(g) → 3Cu(s) + 3H2O(I) N2(g) (i). 2NH3(g) + 3Cl2(g) → 6HCl(g) + N2(g) (ii). ...
Gas molecules are said to be perfectly elastic because ...
The processes which return carbon (IV) oxide to the atmosphere include ...
What is the percentage by mass of oxygen in Al2(SO4)3. 2H2O? [Al = 27, S = 32, H = 1, O = 16]...
Chlorine, bromine and iodine belong to the same group and ...