D: 1 only is correct
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Which process has the largest enthalpy change per mole?
This question refers to isolated gaseous species. The species F⁻, Ne and Na⁺ are isoelectronic. This means they have …
An ion with a charge of 2- contains 10 electrons and 14 neutrons. What is its nucleon number?
Tanzanite is used as a gemstone for jewellery. It is a hydrated calcium aluminium silicate mineral with a chemical fo…
0.144 g of an aluminium compound X react with an excess of water, to produce a gas. This gas burns completely in O2 t…
Use of the Data Booklet is relevant to this question. Which element is likely to have an electronegativity similar to…