List two characteristics of
boiling

(a) The vapour pressure must be equal to the atmospheric pressure. Bubbles of the vapour are formed at boiling.

(b) Addition of crystals of sodium chloride will increase the boiling point of water.

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because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates