Since this is Argon it would be a noble gas
Answer:
liquid oxygen is highly flammable
Explanation:
near any source of heat. liquid oxygen can explode to flames thus being hazardous
Answer : The density of a sample is, 34.2 g/L
Explanation :
Density : It is defined as the mass contained per unit volume.
Formula used for density :

Given :
Mass of a sample = 7.412 grams
Volume =0.217 L
Now put all the given values in the above formula, we get the density of a sample.

Therefore, the density of a sample is, 34.2 g/L
HCI are less soluble in water as the temperature of the solution is increased.
Answer:
gallium
Explanation:
it is the old melting in a hot cup of coffee spoon