What is the atomic number of Arsenic?
...What is the atomic number of Arsenic?
23
33
73
93
Correct answer is B
No explanation has been provided for this answer.
What is the product of the reaction between propene and 1 mole of hydrogen iodide? ...
CH3COOH(aq) + OH-(aq) ↔ CH3COO-(aq) + H2O(l) In the reaction above ,CH3COO-(aq) is...
How many cations will be produced from a solution of potassium aluminium tetraoxosulphate (VI)? ...
A fixed mass of gas has a volume of 92\(cm^3\) at 3ºC. What will be its volume at 18º...
In the periodic table all elements within the same group have the same ...