Y
Z
Y - Z
Z - Y
Correct answer is B
The chemical properties of elements depend on their atomic numbers. The atomic number is represented by Z.
CH3COOH(g) → H4(g) + CO2(g) The reaction above is...
The colour of litmus in a neutral medium is ...
A consequence of global warming is ...
What is the percentage by weight of calcium in Ca(OCI)2? [Ca = 40, Cl = 35.5, O = 16]...
What change will occur to the equilibrium mixture \( 2CrO^{2-}_4(aq) + 2H^+(aq) ⇔ Cr_2O^{2-}_7(aq...