Question

Question 1
(a) From the list, given below, select the correct answers for (i) to (v).
(51
[Lsobars, Isotopes, Efflorescence, Hygroscopy, Charles's law, Boyle's law, Kelvin, Thermal dissociation, Thermal
decomposition)

(1) A phenomenon where a compound absorbs moisture from the atmosphere when it is exposed to it but not
enough to form a solution

(ii) Atoms of the same element having the same atomic number but different mass numbers.

(iii) At constant temperature, the volume of a given mass of dry gas is inversely proportional to its pressure.

(iv) Temperature measured equals to celsius temperature plus 273.

(v) Decomposition of a compound by the action of heat, on cooling, original substance is formed.​

Answer 1

Answer:

ii) atoms of the same element having the same atomic number but different mass numbers.