Answer:
It's a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF)
Answer:
Jack Beacuse...
Explanation:
the soil has water in it so it will be more than one matterial
The first element discovered through synthesis was technetium<span>—its discovery being definitely confirmed in 1936. Hope that helps.</span>
Answer:
Heat of fusion
Explanation:
The heat required to change 1 gram of a solid at its normal melting point to a liquid at the same temperature is called the heat of fusion.
The formula for the heat of fusion is given by :

Where
n is no of moles
is molar heat of the substance
Hence, the correct answer is heat of fusion