Answer:
A solid has a definite volume and shape, a liquid has a definite volume but no definite shape, and there is no definite volume or shape of a gas. Usually, the transition from solid to liquid does not change a substance's volume substantially.
Explanation:
I did this but I dont remember
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Ba,Sr,Ca,Be
as atomic size increases ionisation potential decreases
you can correct it by adding an acid to make it neutral or less basic
both the substances will evaporate
