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 determination of heat of combustion is carried out with ...
When sodium nitrate dissolves in water, ∆H is positive. This means that? ...
Consider the reaction A\(_{(s)}\) + 2B\(_{(g)}\) → 2C\(_{(aq)}\) + D\(_{(g)}\) What will be t...
The gas given off when ethanol reacts with sodium is ...
The main function of limestone in the blast furnance is to ...
The active reducing agent in the blast furnace for the extraction of iron is? ...
A given amount of gas occupies 10.0dm\(^3\) at 4atm and 273°C. The number of moles of the g...