Infer a property of neon and explain your inference. grade 7, subject science.
Answers
Answer:
It is a colorless, tasteless odorless inert gas. It changes to reddish-orange color in vacuum tube. It is chemically inactive. It has the lowest liquid range of any element.
Explanation:
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It is a colorless, tasteless odorless inert gas. It changes to reddish-orange color in vacuum tube. It is chemically inactive. It has the lowest liquid range of any element.
Group name: Noble gas
Phase at room temperature: Gas
Standard state: Gas at 298 K
Color: Colorless
Atomic number 10
Density 0.9*10 -3 g.cm-3 at 20°C
Melting point -249 °C
Boiling point -246 °C
Vanderwaals radius 0.16 nm
Neon is also used to make high-voltage indicators and switching gear, lightning arresters, diving equipment, and lasers. Liquid neon is an important cryogenic refrigerant. It has over 40 times more refrigerating capacity per unit volume than liquid helium and more than 3 times that of liquid hydrogen.